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damaskus [11]
3 years ago
10

Which of the following is an example of a keystone species? (select all that 2 points

Biology
1 answer:
ICE Princess25 [194]3 years ago
8 0
Busttguhhksksnskeksnsjsns
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What species of organism does the gene donor cell belong to?
miv72 [106K]

Answer:

Prokaryotes, which include bacteria and single-celled microorganisms called Archaea, usually pass their chromosomal DNA on to their offspring asexually. In other words, a bacterial cell reproduces by simply replicating its chromosome and dividing into two daughter cells. The daughter cells that result from this division are genetically identical to each other and to the original parent cell. Thus, over time, asexual reproduction in bacteria can lead to a population of hundreds of thousands of cells, all of which are genetically identical to a lone original parent cell.

Given their asexual method of reproduction, it is tempting to think that bacteria are sorely lacking in genetic variation, but this is not the case. Prokaryotic cells have developed a number of methods for recombining their genetic material, which, in turn, contributes to their genetic diversity. The three most common ways that bacteria diversify their DNA are transformation, conjugation, and transduction. However, not all types of bacterial cells are capable of engaging in all three processes.

6 0
2 years ago
Station 3! HELP PLS!
stepan [7]

Answer:

Question 1: A Chordate

Question 2: C Sea Anemones

Question 3: B Lobster

Question 4: A Arachnid

Explanation:

Chordates are all the animals that have vertebrates (backbones)

The phylum Cnidaria includes those that have cnidocytes which are specialized cells for capturing prey. This includes sea anemones, jellyfish, and coral.

Arthropods are those that have an exoskeleton, segmented body, and paired jointed appendages like lobsters and other crustaceans.

Arachnids are animals that have eight legs, like spiders.

5 0
3 years ago
The conversion of potential energy in coal into the kinetic energy that heats steam is an expression of:
zalisa [80]

Answer:

C

Explanation:

Second law states that conversion of energy is not 100percent efficient, some are lost as heat energy

6 0
3 years ago
Which coefficient is needed in front of NaNO3 to balance the equation Na2S + Zn(NO3)2 → ZnS + _NaNO3?
weqwewe [10]
I think the <span>coefficient is na2s.

</span>
8 0
3 years ago
Read 2 more answers
I need help ASAP :) I can't get any wrong
givi [52]
I had the same question and the answer was C OR A.
5 0
3 years ago
Read 2 more answers
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