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SIZIF [17.4K]
3 years ago
13

What causes a population to increase and decrease ?

Biology
1 answer:
Svet_ta [14]3 years ago
7 0

Answer:

birth,death,and migrations

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The image below represents a magnetic field. Which statement is true.
umka21 [38]

Answer:

the field goes up on the right and down on the left

8 0
3 years ago
In a certain species of dog, a black nose is dominant over a pink nose. What would happen in a cross between a pure breed domina
lions [1.4K]

Answer:

phenotype: black nose

genotype: Bb

Explanation:

Pure breed dominant genotype (BB)

+

recessive pure breed genotype (bb)

=

heterozygous genotype (Bb)

because black is dominant, thats the trait that will show. the pink will be masked by the black nose color.

3 0
4 years ago
When an organism has died, the ratio of C-14 to C-12 _____ over time.
Mrrafil [7]
The answer is C. decreases.

C-14 and C-12 are carbon isotopes used to measure the approximate age of organic remains. C-12 is stable, and it does not break down into other elements over time. C-14 is not stable. It breaks down into N-14.

Organisms can incorporate C-14 into their bodies during the life. But when the die, C-14 is not incorporated anymore. After organisms' death, C-12 will remain stable, but C-14 will start to breaks down into N-14. So, it will be less C-14 and C-12 will remain the same. The ratio of C-14 to C-12 must decrease over time.
4 0
3 years ago
Read 2 more answers
The aerobic cellular respiration (release of energy from food) of carbohydrates occurs in the
Levart [38]

Answer:

Mitochondria

Explanation:

Mitochondria are energy-producing organelles in eukaryotic cells. They carry out a series of reactions that generate many molecules of ATP from the breakdown of sugars. This process is called aerobic respiration.

6 0
4 years ago
The process that exchanges gases across the walls of capillaries is ?
Vsevolod [243]
<span>The correct answer to this question is this one: "Diffusion."
</span><span>The process that exchanges gases across the walls of capillaries is called diffudion. </span>Diffusion is when Simple gases, steroid hormones, and some other hydrophobic particles diffuse across capillary walls
7 0
3 years ago
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