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brilliants [131]
2 years ago
15

Which are characteristics of all bacteria? Check all that apply. Please help me

Biology
1 answer:
emmasim [6.3K]2 years ago
7 0

Answer: they are all prokaryotes

Explanation: because they all lack a nucleus to retain their DNA

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Grizzly bears: As predators, bears eat several species, like moose and elk. They also eat many fruits throughout the ecosystem.
Anuta_ua [19.1K]

Your teacher likes to copy. Found this at https://examples.yourdictionary.com/examples-of-keystone-species.html


Grizzly bears: As predators, bears keep down the numbers of several species, like moose and elk. They also carry and deposit seeds throughout the ecosystem. Bears that eat salmon will leave their dropping and the partially eaten remains that provide nutrients such as sulfur, nitrogen and carbon to the soil.  

6 0
2 years ago
Which of the following groups of animals has the most efficient gas exchange?
Lana71 [14]

Answer:

birds

Explanation:

I found a quizlet online with the answer:^

4 0
3 years ago
Which one of the following molecules can MOST easily pass through the plasma membrane unassisted?
Anton [14]

The molecule that can MOST easily pass through the plasma membrane without assistance is carbon dioxide (CO2). Diffusion is a type of passive transport that occurs when molecules move in favor of a concentration gradient.

During diffusion, molecules move high concentration to a region of low concentration.

Oxygen (O2) and carbon dioxide (CO2) are non-polar gasses that move across cell membranes by a process called simple diffusion.

Simple diffusion is a type of passive transport that does not require energy to move substances across cell membranes.

Learn more in:

brainly.com/question/1619908?referrer=searchResults

4 0
2 years ago
A chemical has been found to harm the same components in both prokaryotes and eukaryotes cells.
murzikaleks [220]
DNA, cell membrane, cytoplasm, and ribosomes
7 0
3 years ago
The transport tubes for food coming down the plants are called?
Vitek1552 [10]

Xylem are tubes in the stem that transport water and minerals upward, from the roots to the leaves. Phloem are tubes in the stem that move food made in the leaves to other parts of the plant. ... Chlorophyll is a pigment that helps plants use energy from the sun to produce sugars.

3 0
3 years ago
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