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serious [3.7K]
3 years ago
10

Describe the three main properties that scientists measure when they study populations

Biology
1 answer:
mars1129 [50]3 years ago
8 0
Size, density, and growth rate are the three main ones. There is also dispersion, age structure, and survivorship. Hope this helps!
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A food web in a certain ecosystem consists of seals that feed on krill, which in turn feed on phytoplankton. Extensive krill fis
Solnce55 [7]

Answer: Option A) The seals would decrease in number and the phytoplankton would increase in number

Explanation:

The food web can be illustrated as follows: Seal --> Krill --> Phytoplankton

Where phytoplankton is the producer of food, krill is the primary consumer while seal is the secondary consumer.

So, reducing the krill population would immediately cause food shortage for seals, and lessen consumption of phytoplanktons.

Thus, the seals would decrease in number due to starvation and death, while the phytoplankton would increase in number

4 0
4 years ago
9th grade biology please help it’s crazy because I’m in 10th grade asking for help on 9th grade work
patriot [66]

Answer:

Mitochondria

Explanation:

They generate most of the chemical energy needed to power the cell's biochemical reactions.

Hope this helps! Sry if I get it wrong!

8 0
3 years ago
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Molecule X contains chains of amino acids. What is molecule X?
astra-53 [7]

Answer:

Protein, polypeptide chain

Explanation:

If you are just starting to learn biology then the answer is probably proteins!

7 0
3 years ago
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. ¿Cuál de las siguientes características diferencia a las células procariontes de las eucariontes? *
jenyasd209 [6]

Answer:

La respuesta correcta es opción C. "Contar con organelos membranosos como los cloroplastos".

Explanation:

Una de las características que diferencia a las células procariontes de las eucariontes, es que las células eucariontes tienen organelos membranosos como los cloroplastos. Las células eucariontes son más complejas que las celulas procariontes, y tienen organelos rodeados por membranas donde efectúan sus distintas funciones celulares. Las células procariontes no tienen organelos y realizan la mayoría de sus funciones directamente en el citoplasma.

3 0
3 years ago
An individual's blood alcohol concentration is the amount of alcohol in his or her blood, expressed as a percentage.
Artist 52 [7]
Answer is True!
~~~~~~~~~~~~~~~~~~~~~~~~~~~

Because individual's blood alcohol concentration is amount of alcohol in his or her blood, and it expressed as a percentage.


Hope it helped you.

-Charlie Johnson
8 0
3 years ago
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