Another name for unicellular organisms that dominated Earth up to the Precambrian time is A. cyanobacteria.
B. stromatolites.
C. eukaryotes.
D. prokaryotes.

Answers

Answer 1
Answer:

The correct answer is option D

The dominating life form in the Precambrian time were the unicellular organisms. Mostly the organisms were single celled prokaryotes. This is known to us by the help of fossil records.

They were thermophiles in Archaean Domain. The oldest organism that is known is about 3.5 billion years ago.

After the formation of oxygen rich environment many other species came into existence.

Answer 2
Answer: Prokaryotes is the right answer

I believe you're taking Life Science and are in grade 7?

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During periods of stress, the brain signals the adrenal glands to produce this hormone that stimulates the sympathetic nervous system:
Which would be an example of an abiotic part of the environment?A. temperatureB. treesC. animalsD. plants
If an ecologist was studying the interactions among the populations of organisms in a given area, which of the following would they be studying ?

If a scientist is observing biotic and abiotic factors, which of the following level of organism must she be studying? A. An individual organism
B. A community
C. A population
D. An ecosystem

Answers

A because an ecosystem includes all the living and nonliving things within an area :)

Which type of information is best represented by a chart?

Answers

Sequence of events, I believe.

the sequence of chemical reactions in photosynthesis is correct


Plants and animals tend to store their carbohydrates in the same forms True or False​

Answers

Answer: Plants store carbohydrates in long polysaccharides chains called starch, while animals store carbohydrates as the molecule glycogen.

Explanation:

Answer:

I think it's true

Explanation:

If a substance can be separated by physical means and it is not the same throughout, what is it? a heterogeneous mixture a homogeneous solution a compound an element get it right upvote time

Answers

answer:

a heterogeneous mixture

explanation:

A heterogeneous mixture is commonly any mixture that is not uniform in combination - it's a non-uniform mixture of smaller fundamental particles. Using different means, the particles in the mixture can be separated from one another. In a heterogeneous mixture, the elements do not mix completely, and the individual items that form the mixture can be identified. Heterogeneous mixtures can typically be separated back into their original components by chemical or physical means.

Answer:

mixture

Explanation:

Why are some of Carl Linnaeus’s classifications of organisms incorrect?A.Linnaeus did not study the anatomy of organisms.
B.Linnaeus’s work accounted for evolution.
C.Linnaeus did not use structural comparisons.

Answers

The right answer for the question that is being asked and shown above is that: "A. Linnaeus did not study the anatomy of organisms." some of Carl Linnaeus’s classifications of organisms incorrect because Linnaeus did not study the anatomy of organisms.

Answer:

On Edge2020 there are 4 answers, the last one (D) is: Linnaeus primarily used physical characteristics.

Explanation:

Out of the 3 answers you provided, A would be the most valid, (although somewhat wrong). If this was from the Edge Assignment then the correct answer is D.

Which of the following structures are found in gymnosperms but not in angiosperms?A. Pollen
B. Flowers
C. Seeds
D. Cones

Answers

A pollen, Most plants produce asexually , and pollen is produced.