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solniwko [45]
3 years ago
13

1. How do mammals impact ecosystems? Describe two ways. 2. Describe one symbiotic relationship between mammals. 3. How do mammal

s help people? Describe two ways.
4. Which mammals is your favorite and why?
Biology
1 answer:
Wittaler [7]3 years ago
4 0

Answer:

Mammals undoubtedly play an important role in ecosystems by providing essential services such as seed dispersal, pollination and regulating insect populations, and reducing disease transmission [20–22] and there is some evidence that some groups act as indicators of general ecosystem health [23].

Explanation:

You might be interested in
Which statement describes natural selecion?​
MatroZZZ [7]

Answer:

Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others.

3 0
2 years ago
Which body system is made up of the heart, veins, and arteries?
Harman [31]

Answer:

The circulatory system

Explanation:

The heart, veins and arteries works together to service the cells of the body

6 0
3 years ago
Read 2 more answers
1. How did dark matter affect the development of structures in the early universe?
-Dominant- [34]

Answer:

1. It seeded the development of galaxies

2. The percentage of dark matter has shrunk in scientists' estimates since the 1980s

The percentage of unknown material has grown in scientists' estimates since the 1970%

3. Supernovae that are moving away at an accelerating rate.

Explanation:

1. How did dark matter affect the development of structures in the early universe?

It seeded the development of galaxies.

It seeded the development of quasars.

It cooled pockets of gas to form nebulae.

it became part of black holes

2. How has scientific understanding about the composition of the universe changed over time? Select the two correct answers.

The percentage of dark matter has shrunk in scientists' estimates since the 1980s

The percentage of unknown material has grown in scientists' estimates since the 1970%

The percentage of ordinary matter has grown in scientists' estimates.

The percentage of dark energy has shrunk in scientists estimates

3. Which is evidence for the existence of dark energy?

Pulsars that seem to be moving closer at an accelerating rate.

Supernovae that are moving away at an accelerating rate.

Black holes that are expanding at a constant rate.

Galaxies that are rotating at a constant rate.

<u><em>Please don't use these answer's to cheat they are to help only.</em></u>

6 0
2 years ago
Both plant and animal cells have a chloroplast. <br> a. True <br> b. False
denpristay [2]

Answer:

False

Explanation:

Only plants have chloroplast.

6 0
3 years ago
Read 2 more answers
When roots take up mineral ions, they are built up against their concentration gradient. both anion and cation transport utilize
attashe74 [19]
I believe the answer is B, primary active transport. Root hair cells in plant use active transport to absorb mineral ions such as nitrates from the soil. The concentrations of minerals in the soil are lower in the soil than in within the root hair cell, therefore the transport will be against the concentration gradient which does not favor diffusion, therefore the pant has to use active transport.
6 0
3 years ago
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