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satela [25.4K]
2 years ago
5

Which of the following accurately describes the distribution of dissolved carbon dioxide gas in the ocean?

Biology
1 answer:
MaRussiya [10]2 years ago
5 0

Answer:

C; Carbon dioxide concentrations increase with depth due to less uptake and decomposition of organic matter at depth.

Explanation:

I hope this helps you:)

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The bacteria have an initial concentration of 1000 cells/cm3 . Each cell divides once every 30 minutes. Calculate how long it wi
Levart [38]

It will take <u>120 minutes</u> for the concentration to become > 15000 cells/cm³

<u>Given data:</u>

Initial concentration ( density ) = 1000 cells / cm³

Target/final concentration = > 15,000 cells /cm³

<h3 /><h3>Calculating the concentration every 30 minutes </h3><h3 />

<em>note</em><em> : Given that each cell divides every 30 minutes </em>

  • <u>After the first 30 minutes </u>

Concentration = 2000 cells / cm³

  • <u>After 60 minutes </u>

concentration = 4000 cells / cm³

  • <u>After 90 minutes </u>

concentration = 8000 cells / cm³

  • <u>After 120 minutes </u>

concentration = 16000 cells / cm³

Therefore after 120 minutes the concentration of the cells will be greater than 15000 cells/cm³ ( i.e. 16000 cells/cm³ )

Learn more about concentration : brainly.com/question/17206790

4 0
2 years ago
Identify three types of natural selection for a polygenic trait.
kaheart [24]

Answer:

A polygenic trait can be described as a physical trait which is influenced by more than one gene.

The three types of selection for a polygenic trait are:

1) Directional Selection: In a directional selection, one of the phenotype is favored in an ecosystem. As a result of this favoring, the allelic frequency changes and shifts in favor of this particular trait.

2) Stabilizing selection: It is a type of natural selection in which the intermediate trait is favored. The population carries a middle trait in abundance.

3) Disruptive Selection: Disruptive trait is a type of natural selection in which the traits on the extreme sides are favored. The intermediate traits are less favored.

7 0
3 years ago
Which of the following cells is formed by meiosis?
Lilit [14]

Answer:

B. A sperm cell

Explanation:

Meiosis creates gametes/sex cells, such as the sperm and egg.

So, sperm cells are formed by meiosis.

Meiosis doesn't create fertilized eggs, it instead creates normal egg cells.

Meiosis also doesn't create heart and bacterial cells because those are made in mitosis.

So, B is the correct answer.

6 0
3 years ago
Which statement defines adaptation?
Yuliya22 [10]

Answer:

A is the correct answer.

Explanation:

Because Adaption means to the process by which a species becomes fitted to its environment. So A is the closest.

8 0
2 years ago
What path does pollen need to travel for the plant to reproduce?.
FrozenT [24]

Answer:

stigma

Explanation:

Pollination occurs when pollen grains from the anther land on a stigma. After pollen grains land on the stigma, a pollen tube grows from the pollen grain, through the style, and into the ovary. Sperm cells inside the pollen grain travel down the pollen tube and into the ovary which contains the ovules.

6 0
2 years ago
Read 2 more answers
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