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dusya [7]
3 years ago
10

What would be the estimated maximal heart rate for a 40-year-old?

Biology
1 answer:
stepladder [879]3 years ago
3 0

Answer:

180 beats per minute.

Explanation:

<em>Hope This Helps!</em>

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The most inclusive level of organization encompasses all regions of Earth's crust, waters, and atmosphere and is called the ____
nexus9112 [7]

Answer:

The most inclusive level of organization is called the Biosphere.

Explanation:

The biological level of organization is organized from the simplest(least inclusive) to the most complex(most inclusive)

The Atom is the simplest unit. Two or more atoms will form a molecule.

The molecules come together to form a cell which is the basic functional unit of life. Cells come together to form tissues then organs and the organ system. Together they make an organism

Populations is formed by a group of the same organisms living in the same area.

Different populations will form a community. The communities together with the environment they live in form an Ecosystem.

Lastly, The Biosphere is the most inclusive and encompasses all ecosystems on Earth

5 0
3 years ago
How does the name porifera relate to the structure of a sponge
WITCHER [35]

Explanation:

the name porifera means pore bearer in latin. a sponges body is covered by a skin, one cell thick. this skin has lots of small pores ad a few large openings. the small openings are the entrances to a complex system of channels. these collar cells pump water through the entire sponge and filter out food for the sponge cell to eat

6 0
3 years ago
Why is it easy for a virus to mutate?
drek231 [11]

Answer:

Viruses mutate very quickly The major reason that viruses evolve faster than say, mosquitoes or snakes or bed bugs, is because they multiply faster than other organisms. And that means every new individual is an opportunity for new mutations as they make a copy of their genetic material. Many of those mutations have no noticeable effect.

Explanation:

6 0
3 years ago
Which muscle is the woman using to lift the ball over her head? a basketball player lifting a ball over her head A. biceps B. de
Alona [7]

It would be B. i hope i helped you out, have a nice day

4 0
3 years ago
Read 2 more answers
When the expression of one allele is masked by the presence of another it is said to be what??
Bezzdna [24]
The allele that is masked is recessive. The one which masks it is dominant.
7 0
3 years ago
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