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rjkz [21]
2 years ago
13

How can you identify changes in genetic traits over several generations?

Biology
1 answer:
KonstantinChe [14]2 years ago
3 0

Answer:

By looking at the gene sequences. See the mutations.

Explanation:

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Plants and animals die without air. Why? Which gases do plants and animals inhale and exhale? What are the role of these gases i
Papessa [141]

Answer:

Plants and animals both are living organisms that are directly dependent on the air. The air is comprised of various gases with definite proportions such as  78% of nitrogen, 21% of O₂, 0.9% of argon, 0.03% of CO₂, and other minor gases.

Oxygen (O₂) is the main gas that is essential for life to exist. Without this gas, no organisms can survive.

The organisms inhale oxygen (O₂) gas and exhale carbon dioxide (CO₂) gas.

These gases play an important role in the lives of plants and animals as it helps in carrying out the process of respiration. This process is essential in order to generate energy in the body of the organisms where the food particles (commonly known as sugar) are disintegrated by the cells. This is how an organism respire by inhaling O₂ gas and exhaling CO₂ gas.

8 0
3 years ago
When the Australian wildfires occurred, what short-term effect did the
Ne4ueva [31]

Answer:

A. Plants and/or animals relocated or died.

Explanation:

Plants and animals will eventually come back, so that is a short-term effect on the ecosystem.

Hope this helps! :)

6 0
3 years ago
If whales and turtles become rare in this ecosystem, what would you expect the effect
Andrei [34K]

Answer:

the jellyfish population should go up because nothing but turtles eat them

8 0
2 years ago
Suppose that a dominant allele (P) codes for a polka-dot tail and a recessive allele (p) codes for a solid colored tail. In addi
Maru [420]
If two individual are heterozygous for both traits then there genotype will each look like this PpLl. To find the probability, you need to do a cross with both traits. Each parent has the possibility of giving the following combinations: PL, Pl, pL, pl.
 
                 PL        Pl         pL           pl
PL         PPLL     PPLl     PpLL        PpLl        
Pl          PPLl      PPll      PpLl          Ppll
pL         PpLL     PpLl      ppLL        ppLl
pl          PpLl      Ppll       ppLl          ppll

Polka dot tail/ long lashes: 9/16
Polka dot tail/ short lashes: 3/16
Solid Tail / long lashes: 3/16
solid tail/ short lashes 1/16

The answer is (C) 9:3:3:1 ratio with 9 polka dot tails and long eyelashes, 3 polka dot tails and short eyelashes, 3 solid tails and long eyelashes (there seems to be a typo in the question) and 1 short tail short eyelash
           

3 0
3 years ago
All of the chemical reactions within an organism is known as
Usimov [2.4K]
Chemical reactions that take place inside living things are called biochemical reactions. The sum of all the biochemical reactions in an organism is called metabolism.Metabolism includes both exothermic (energy-releasing) chemical reactions and endothermic (energy-absorbing) chemical reactions.
7 0
3 years ago
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