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cupoosta [38]
3 years ago
6

Why is the heart able to act as one unit? Why can all of the cells contract at the same time?

Biology
1 answer:
Maru [420]3 years ago
3 0
Organs help out too!
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As habitats change, populations of northern pine trees that were once separated can now exchange pollen. This exchange of genes
Simora [160]

Answer:

Gene flow

Explanation:

Evolution is the changes seen in the growth, development, features of a certain group of species during the cause of time. Evolution causes changes in the gene frequency of species from one generation to the next generation.

There are 5 important mechanisms of evolution and they are: Gene flow, mutation, genetic drift, natural selection and non random mating.

Gene flow as a mechanism of evolution is the exchange or transfer of genes between a group of species as they move from one place to another. Gene flow can either increase the rate of evolution or decrease it.

6 0
3 years ago
The symptoms of a lung-expansion injury tend to appear _____ while the symptoms of decompression sickness tend to appear ______.
Margarita [4]

The symptoms of a lung-expansion injury tend to appear immediately after the dive while the symptoms of decompression sickness tend to appear usually slower after the dive.

Why does oxygen treat scuba-related illnesses?

Decompression sickness (DCS) patients address the disease process by dissolving air bubbles in the blood and tissues and diffusing excess nitrogen to oxygenate ischemic regions.

Needs to be recompressed Recompression was traditionally carried out with the assistance of a personal doctor or technician and a customized chamber that allowed for a controlled rise in atmospheric pressure. DCS divers have to travel further to decompression rooms since the number of rooms accessible for 24-hour emergency care countrywide is decreasing at an alarming rate.

To learn more about DCS visit the link:

brainly.com/question/28233311?referrer=searchResults

#SPJ4

8 0
2 years ago
The arrows in a food chain point from the organism ____________ the energy to the organism ___________ the energy
melamori03 [73]

Answer:

1. Supplying

2. Taking

Explanation:

Food chain is a linear relationship between organisms that depicts the flow of energy from one organism to another. In a food chain, organisms are arranged in trophic levels where arrows pointing to the right direction (➡) are used to show that the organim the arrow is pointing to eats the organism behind it.

Hence, according to this question, arrows in a food chain point from the organism SUPPLYING the energy to the organism TAKING the energy.

6 0
3 years ago
Could you put in order please i will give u 30 points x
SSSSS [86.1K]
I believe the order is...

Producers
Primary Consumers
Secondary Consumers
Tertiary Consumers

I hope this helps!
8 0
3 years ago
Read 2 more answers
What is difference between syngamy and fertilization .when and where it occurs.
ratelena [41]
Their are both different substances 
4 0
3 years ago
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