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lana66690 [7]
3 years ago
12

Since the endangered species act of 1973 was passed, about ______ species of animals and ______ species of plants and lichens ha

ve been placed on the list of threatened or endangered species.
Biology
1 answer:
shepuryov [24]3 years ago
3 0
Since the endangered species act of 1973 was passed, about 575 species of animals and 750 species of plants and lichens have been placed on the list of threatened or endangered species.
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What are the 2 main ideas behind natural selection? (will give brainlist!)
ioda

1-Charles Darwin

2-Alfred Russel Wallace

Explanation:

are jointly credited with coming up with the theory of evolution by natural selection, having co-published on it in 1858. Darwin has generally overshadowed Wallace since the publication of On the Origin of Species in 1859, however.

7 0
3 years ago
Write a paragraph describing a unicorn, what it looks like, and where it lives. Think of any inherited traits the species has th
slavikrds [6]

Answer:

A unicorn is a mythical creature that resembles a horse with a horn on its forehead. The unicorn could use its horn for self-defense. Some unicorns might also have wings so they could help the unicorn survive by escaping predators quickly. W could be for a winged unicorn (dominant) and w would be a unicorn without wings (recessive). L could be for a long unicorn horn, and l could be for a short horn. C would be a lighter fur color and c would be a darker fur color. That's all I could come up with for now :)

5 0
3 years ago
The process of _____________ is modeled in the plant cell diagrams seen here.
grigory [225]

<u>Answer:</u>

The process of "Osmosis" is modeled in the plant cell diagrams seen here.

<u>Explanation:</u>

Osmosis is the natural gross migration of solvent particles into a zone of higher solute concentration via a selectively permeable membrane, in the path that seeks to balance the amounts of solvents on both the ends. Osmosis as biological membranes are semipermeable, is a critical mechanism in biological systems.

Such membranes are usually impenetrable to massive and polar molecules like polysaccharides, ions and proteins while being porous to hydrophobic or non-polar molecules like lipids and to small molecules as carbon dioxide, oxygen, nitric oxides and nitrogen.

4 0
3 years ago
List 5 things wehave in common with bacterium
andrezito [222]

Answer:

Here are a few characteristics of life that humans and bacteria share

Explanation:

- Reproduction

- Evolution and adaptations

- Organization

- pH homeostasis

- Responds to stimuli

4 0
2 years ago
Help me ALL of these, and you get brainiest! (:
Evgen [1.6K]

Answer:

1. Circulatory System

2. Respiratory System

3. Endocrine System

4. Nervous System

5. Urinary/ Excretory System

Explanation:

1. Circulatory System- The heart pumps blood and blood vessels such as arteries and veins, transports the blood to every part of our body providing organs and muscles with nourishment.

2. Respiratory System- This system maintains our breathing. It supplies the body with oxygen for cellular respiration.

3. Endocrine System- The glands of the endocrine system secrete chemicals called hormones that regulate most of the processes in our bodies like growth, reproduction, metabolism, etc...

4. Nervous System- The entire nervous system controls all of the other systems of the body and it also transmits information to the brain, such as pain and external sensations.

5. Urinary/Excretory System- This system is responsible for eliminating waste products of metabolism and other materials from the body that are of no use.

5 0
2 years ago
Read 2 more answers
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