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photoshop1234 [79]
2 years ago
11

The movements that propel the food particles through the digestive tract are called ________.

Biology
1 answer:
dybincka [34]2 years ago
6 0
Peristalsis is the movement of particles through the digestive tract
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Match each description to the level of organization.
saul85 [17]

Answer:

Organ-  a group of tissues that work together to perform a common function

Organism- a living thing that is made out of organ systems

Organ system- a group of organs that work together

cell- the basic unit of structure and function of living things

Tissue- a group of cells that work together to perform a common function

Explanation:

8 0
3 years ago
Which of the following is the ultimate source of energy in the ecological
Norma-Jean [14]

Answer:

Water

Explanation:

Water never runs out

7 0
3 years ago
Consider this segment of a food web: Snails and grasshoppers eat pepper plants; spiders eat grasshoppers; shrews eat snails and
attashe74 [19]

Answer:

the correct option is E.

Explanation:

in this case the shrew occupies the level of both secondary and tertiary consumers.

as the shrew eats spider( a secondary consumer) so it is a tertiary consumer but it also eats snails( a primary consumer) so it is therefore a secondary consumer also.

so the shrew occupies both secondary and tertiary consumer trophic level.

6 0
3 years ago
Which of the following could result in the extinction of a species?
mylen [45]

Increased population size will result in the extinction of a species of organisms.

<h3>What is Extinction?</h3>

This is defined as the dying out or disappearance of species as a result of various factors.

When population size increases, it leads to unavailability of food and reduction of species due to starvation and death.

Read more about Extinction here brainly.com/question/1027555

#SPJ1

7 0
1 year ago
***HELP*** What is the role of a keystone species?
kumpel [21]

Answer:

<h2>D. Competitively dominant to other organisms in the ecosystem</h2>

A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether.

<em>Hope that helps! :)</em>

<em></em>

<em>-Aphrodite</em>

Explanation:

5 0
3 years ago
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