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4 years ago

What does genetics explain?

Biology

1 answer:

natima [27]4 years ago

5 0

What's in your DNA?? and the different traits you have that may be dominant or recessive

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Both Darwin and Lamarck proposed mechanisms by which species might evolve. Although Darwin first published his ideas in the mid-

olga nikolaevna [1]

Answer:

More evidence accumulated supporting Darwin's ideas than could be found to support Lamarck's.

Explanation:

7 0

3 years ago

HELP please!!! I'll mark brainliest!! Which of the following displays objects that are generally smaller than a planet?

diamong [38]

B is correct

Stars are always bigger than planets
Asteroids, comets, and meteors are generally smaller than planets

7 0

3 years ago

Read 2 more answers

Gregor Mendel bred short pea plants with short pea plants for several generations and always produced offspring that were short

tester [92]

Answer:

B. purebred

Explanation:

If you make a Punnett square, you can see that both recessive alleles are passed to the offspring, making it a purebred :)

6 0

3 years ago

How do the liver and pancreas help complete chemical digestion?

Yuri [45]

Answer:

The pancreas is an organ located in the abdomen, below and behind the stomach that has a double function:

Endocrine secretion: it produces hormones like insulin and glucagon, as will be seen in the topic of the endocrine system.

Exocrine secretion: produces pancreatic juice, which together with bile mixes with intestinal juice to form chyle.

The liver forms the bile that is stored in the gallbladder.

The bile does not contain enzymes, but bile sales that emulsify fats, leaving them as small droplets that can be attacked by digestive juices.

4 0

3 years ago

Read 2 more answers

Energy pyhamids, otherwise known as trophic level diagrams, are used to represent the flow of

raketka [301]

From the total energy that reaches the ground, 1% is used by producers. The energy transference in the trophic web follows the 10% rule, in which each level uses 10% of the energy stored by the anterior level.

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Only 1% of the total solar energy that reaches the ground is used by producers, who occupy the first trophic level.

From this input of solar energy, it begins a unidirectional energy flow through all the organisms in the ecosystem, from autotrophs to heterotrophs, until it is finally dissipated in the environment.

At each trophic level, it occurs an energy transfer from one level to the next, with only 10% being usable in each of them. This assessment is called "The 10% rule".

This is, as a general rule, only about 10% of the energy stored as biomass at one trophic level, per unit time, ends up as biomass at the next trophic level, in the same unit of time.

The progressive reduction of energy determines the number of trophic levels (4 or 5).

If 30,000,000 MJ of Sunlight (solar energy) reaches ground, then only 30,000 MJ can be absorbed by primary producers.

5,216.4 MJ from 52,164 MJ of energy stored in the soybeans, are used by cattle.

1,645 MJ of energy is stored in edible beef by cattle who eat the soybeans.

164.5 MJ of this energy is tranferred to the following trophic level.

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8 0

3 years ago