Answer: a
Explanation: just did it on edg
In humans, free earlobes are dominant to attached earlobes, and a straight thumb is dominant to a hitchhiker's thumb. Cross two people that are heterozygous for both traits. Include a punnett Square
Answer:
nice pfp
Explanation:
explanation haikyuu
The maximum height of the largest peaks in the Himalayan mountain range exceeds 8000 meters, while the highest mountain peaks of the rocky mountain are slightly above 4000 meters. what explains the difference between the maximum heights for the two mountain ranges? select all that apply.
a) the rocky mountains are older and have been subjected to greater weathering erosion
b) the rocky mountains have formed more recently and have been subjected to less geologic deposition
c) the Himalayan mountains have formed long ago and have been subjected to more sedimentary deposition
d) the Himalayan mountains have more recently formed from geologic uplift as two continental plates collided
e) both mountain ranges were formed at the same time, but increased volcanic activity near the rocky mountains decreased their maximum elevation
Answer: A, D
Explanation: i just did it
Which question about dogs could be answered through scientific investigation
Answer:
How fast does an Australian terrier grow? is a dog question that could be answered scientifically because growth can become a dependent variable that can be influenced by independent variables such as food, water, habits, and others.
Explanation:
Chapter 1 Question: Why didn't the plants and animals in the biodome have
enough energy storage molecules?
what makes a thing non living?
Answer:
which does not breath
Explanation:
1. Identify the basic characteristics of a house cat and explain why it belongs in the domain Eukarya and the kingdom Animalia?
Answer:
House cats have a nucleus in their cells which is why its in the domain Eukarya. It belongs in the Kingdom Animalia because it's an animal, classed in it.
Explanation:
PLEASE HELP
The theory of plate tectonics is supported by evidence that crustal plates move relative to each other. How does this observation support the theory of plate tectonics?
It suggests that plates are dragged around by ocean currents.
It suggests that plates are dragged around by air currents.
It suggests that plates can move independently of one another.
It suggests that plates cannot move independently of one another.
Answer:
Its c the third answer
Explanation:
a. Draw a food chain that could exist in your ecosystem.
b. Draw a large arrow to show how the energy flows through your food chain
Answer:
Explanation:
This is an example
A. The following food chain in a simple terrestrial ecosystem:
Grass → Grasshopper → Frog → Snake → Hawk
B. The energy flow will be directed as follows:
grasshopper (primary consumer) frog (secondary consumer) snake (tertiary consumer) hawk (quaternary consumer)
Food Chain:
Consider the following food chain in a simple terrestrial ecosystem:
Grass → Grasshopper → Frog → Snake → Hawk
In this food chain, the grasshopper is the major producer, the frog is the secondary consumer, the snake is the tertiary consumer, and the hawk is the quaternary consumer.
B. Flow of Energy:
The giant arrow representing the flow of energy through the food chain would start with grasses and progress through each trophic level. Energy moves along the food chain in a way that passes from one organism to another when it is consumed.
The energy flow will be directed as follows:
grasshopper (primary consumer) frog (secondary consumer) snake (tertiary consumer) hawk (quaternary consumer)
The arrows indicate that the sun's energy is taken up by the grass through photosynthesis and then transferred to each successive level when the organism consumes it.
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Our weather forms in the
atmosphere, including rain and
snow. Which is MOST important in
the formation of weather?
water
nitrogen
Answer:
Water
Explanation:
. A _____________________________________________ key is used to determine the identity of an organism
Answer: A dichotomous key is a tool that allows the user to determine the identity of items and organisms in the natural world. It is the most widely used form of classification in the biological sciences because it offers the user a quick and easy way of identifying unknown organisms.
Explanation:
Which of the following distinguishes the relationship between a taxon and taxonomy?
A taxon is an anomaly in the classification system known as taxonomy.
B taxon is a level of the classification system known as taxonomy.
C taxon is a specific trait in the classification system known as taxonomy.
D taxon is an unknown factor in the classification system known as taxonomy.
Answer:
B taxon is a level of the classification system known as taxonomy.
Hope this helps!
help-- multiple choice!
Biogenic sediment is made of at least 30 percent...
acidic chemicals
alkaline properties
limestone or other rock
skeletal remains
Answer:
The answer is the last one, skeletal remains
Answer: Skeletal remains
need answer quick please thanks
beta cells in the pancreas
Explanation:
the cells make other cells in order to keep you blood cells moving
How are the DNA strands organized
Answer:
They are all composed of building blocks called nucleotides that are linked together in a row. its two complementary strands are chemically linked together and are spiraling around counterclockwise, forming a ladder-like double-stranded molecule.
Explanation:
The term used to describe a location with many different cultural groups is
A. culturally diverse
B. globalization
C. multiple perspectives
D. ethnicity
NO SCAM FILES!!! Hey! i need help! Can you help me with this?? 30 points and brainlest!
For each scenario below, list the body systems involved and their function during the specific activity.
Regulation / Homeostasis
You get too hot or too cold:
Your diaphragm expands and contracts so you can breathe:
Nutrient Absorption
The reactants needed for cellular respiration are taken in and transported to your cells:
Defense from Illness
A pathogen enters your body through a cut:
Defense from Injury
A bunny is running away from a wolf:
Your hand gets too close to a flame:
Reproduction
A woman’s body prepares for a pregnancy:
A woman’s body prepares for a birth:
Answer:
Regulation / Homeostasis you get too hot or too cold:
If you get either too hot or too cold, sensors in the periphery and the brain tell the temperature regulation center of your brain—in a region called the hypothalamus—that your temperature has strayed from its set point.
Your diaphragm expands and contracts so you can breathe:
When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.
Nutrient Absorption
The reactants needed for cellular respiration are taken in and transported to your cells:
cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration. We breathe in that oxygen, which is carried through our blood to all our cells.
Defense from Illness
A pathogen enters your body through a cut:
The skin and mucous membranes act as a physical barrier preventing penetration by microbes. If the skin is cut then the blood produces a clot which seals the wound and prevents microbes from entering.
Defense from Injury
A bunny is running away from a wolf:
Rabbits have keen senses of smell, sight and hearing, which help them defend themselves from danger. When they sense a nearby predator, they innately freeze in place to camouflage with the landscape.
Your hand gets too close to a flame:
Skin is difficult to ignite, and usually chars in the presence of heat. It takes up to 10 minutes of direct flame for skin to crack open and start leaking out rendered fat. Even if a horse's body started to leak fat, it would be unlikely to go up in flames on its own.
Reproduction
A woman’s body prepares for a pregnancy:
Every month, usually one egg grows within a structure called the egg follicle (a fluid filled sac that nourishes the egg). The follicle produces estrogen, which helps a woman's body prepare for pregnancy by growing a new lining for the uterus.
A woman’s body prepares for a birth:
As your body prepares for birth, your cervix — the muscular ring between your uterus and vagina — begins to soften, dislodging the mucous plug.
fill in the blanks to complete the concept map for the process of translation
Answer:RNA code for Amino Acids that make Proteins through the process of translation
Explanation:
During translation, tRNA recognizes the mRNA codons, complements them, and add the correct amino acid to the growing protein. CODON and PROTEIN are the missing words.
--------------------------------------------------------------------------
Protein synthesis
Occurs in two steps. Transcription and translation.
Transcription ⇒ mRNA syntheis
The first step before protein synthesis begins is to synthesize messenger RNA, mRNA.
This is the coping process of the DNA section for the desired protein, and it happens in the nucleus.
Translation:
⇒ Cytoplasm stage
• Translation takes place when the formed mRNA moves to the cytoplasm through the nucleus membrane pores.
• Once in the cytoplasm, mRNA meets a ribosome, which is the primary structure for protein synthesis.
• Ribosomes are organelles composed by the association of proteins with rRNA and tRNA. They can be found in the rough endoplasmic reticulum or floating in the cytosol.
• While the ribosome reads mRNA strain from its 5´ extreme to 3´, tRNA adds the correct amino acids to build the polypeptide.
→ mRNA is composed of different codons.
→ Each codon is a chort sequence of
three nucleotides that codes for one amino acid.
→ When tRNA molecules recognize these
sequencies, they add the correct amino
acid to the growing protein.
⇒ Protein synthesis ends when the proteins passes through the Endoplasmic Reticulum and the Golgi complex for their final folding process.
---------------------------------------------------------------
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What phylum does green algae belong in
Answer:
Phylum Chlorophyta
Explanation:
hope this helps :)
Which is the proper order of structures that contact the substances removed from the blood?
nephron → urethra → bladder → ureter
urethra → ureter → bladder → nephron
nephron → ureter → bladder → urethra
urethra → bladder → ureter → nephron
Answer:
Option 3
Nephron -> Ureter -> Urinary Bladder -> Urethra
Answer:
c
Explanation:
A cloud of dust and gas in space were stars are formed is a _____ .
Answer:
nebula
Explanation:
Select TWO processes that are MOST LIKELY to cause the variation in bird beak size traits within this
population
A. Asexual reproduction
B.Hibernation
C.Sexual reproduction
D.Migration
E.Mutation
The two processes that are most likely to cause the variation in bird beak size traits are ; ( C and E )
sexual reproduction ( C ) Mutation ( E )The Random Mutation occurring in birds due to the environmental factors and food availability in an area will to lead to the varying changes seen in the size of beaks of the bird within a population. long beaks are used to pick out food from cactus plants while short strong beaks are used to pick out food underground.
Sexual reproduction between birds with varying genes will lead to the formation of varying beak sizes traits seen within a given bird population.
Hence we can conclude that the two processes that are most likely to cause variation in bird beak size are ; sexual reproduction and mutation.
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The graph represents the distance a car travels over time while on the highway. Which statement about the car's trip is accurate?
A)
The car does not move over time.
B)
The car travels at a constant velocity.
The car's velocity increases constantly over time.
D)
The car's velocity decreases constantly over time.
Answer:
B
Explanation:
The chart is going up and up which means the car goes up and up in speed and velocity and is very consistant
The statement that is accurate regarding the car trip is that it travels at a constant velocity. The correct option is B.
What is velocity?Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is travelling along a path. In other words, velocity is a vector, whereas speed is a scalar value.
The rate of change of displacement is known as velocity. The rate at which velocity changes is called acceleration.
Due to the fact that it includes both magnitude and direction, velocity is a vector quantity. As the rate at which velocity changes, acceleration is likewise a vector quantity.
An object must move at a consistent speed and direction in order to have a constant velocity.
The object can only move in a straight line if the direction is constant. So, motion in a straight line at a constant speed is defined as having a constant velocity.
Thus, the correct option is B.
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Crossing over is a process during which chromosomal segments are exchanged between a pair of sister chromatids. True or false I have an exammm
Answer:
FALSE
Explanation:
An exchange of chromosome segments between non-sister homologous chromatids occurs is called crossing over.
Many scientific explanations for the origin of DNA and life have been proposed over the years. These hypotheses explain how
inorganic molecules became organic monomers, such as amino acids, sugars, phosphates, and bases. But this still didn't explain
where living things came from. If macromolecules were able to form on early Earth, this still leaves us with the question of how
the polymers would have become self-replicating, a basic criteria for life. There are several ideas but little certainty. Some of the
common ideas include: the RNA world hypothesis, the genes first hypothesis, and the metabolism first hypothesis."
Which of these statements is proposed by the genes first hypothesis?
A)
RNA is highly stable.
B)
The first life forms were self-replicating nucleic acids, such as RNA or DNA
RNA is able to store and pass on genetic information.
D)
RNA contains less nitrogen bases than DNA and thus, is a simpler molecule.
E)
Ribosomal RNA (TRNA) and transfer RNA (TRNA) are the primary molecules
responsible for protein synthesis.
The first life forms were self-replicating nucleic acids, such as RNA or DNA, RNA is able to store and pass on genetic information.
What is the difference between RNA and DNA?There are two differences that determine DNA from RNA,
(a) RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose, and
(b) RNA has the nucleobase uracil while DNA contains thymine.
Thus, options, A and C are correct, RNA is adapt of both storing genetic data and catalyzing chemical responses.
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POSSIBLE POINTS: 8.33
Devon has cystic fibrosis or CF. It is an inherited condition that causes his body to produce excess mucus and lower than normal levels of digestive
enzymes. A person with CF often experiences the following symptoms:
frequent lung infections
poor energy level
low appetite
Although all of Devon's body systems are affected by cystic fibrosis, it is mainly a disorder of which two body systems?
circulatory and digestive
o digestive and skeletal
digestive and respiratory
circulatory and respiratory
Answer:
digestive and respiratory
Explanation:
Why don't individuals with Tay-Sachs pass on the Tay-Sachs
allele?
a
Tay-Sachs disease is a recessive human genetic
disorder.
b Carriers are not affected.
c Affected individuals do not have children.
Answer:
Affected individuals do not have children.
Explanation:
Which of the following statements about cell organelles is NOT true?
A. Chloroplasts contain chlorophyll and are the site of photosynthesis.
B. Many of the same organelles are located in both plant cells and animal cells.
C. The nucleus in an animal cell has a different primary function than in a plant cell.
D. The endoplasmic reticulum has several roles, including packaging and transporting proteins.
Answer:
B
Explanation:
many of the same organelles are located in both plants and animals cells
Native vegetation determines the _________________________ and _________________________ of organic matter in the soil.
Answer:
Explanation:
Texture
The human body is made up of several
systems. Each of these systems works
together to maintain homeostasis in the
organism. For example, the respiratory
system takes in oxygen and the oxygen is
transported through the body by the
cardiovascular system. The human body is
an example of
A. an open system.
B. a closed system.
C. a neutral system.
Which of the following descriptions is MOST plausible for an ancestor of bats? An animal with-
A: two limbs and webbed toes.
B: a long tail that ate insects and lived in forests.
C: four limbs and a membrane consistent with gliding.
D: four fins that glided through the water.
Answer:
C
Explanation:
Four limbs and a membrane consistent with gliding are the structures found in ancestors of bats. Therefore, option (C) is correct
What is patagium?A membrane called the patagium helps animals glide or fly. Bats, birds, dromaeosaurs, pterosaurs, gliding mammals, flying lizards, and flying frogs have the structure. The uropatagium (particularly in bats) or interfemoral membrane connects an animal's hind limbs.
Bats' wing skin extends from the abdomen to the tip of each digit, connecting the forelimb to the body. Bat patagiums have four parts:
Propatagium: neck-to-first-digit patagium.Dactylopatagium: digits.Plagiopatagium: between final digit and hindlimbs.Uropatagium: posterior flap between hindlimbs.Therefore, option (C) is correct.
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