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nalin [4]
3 years ago
12

Thick- skinned rhinoceroses and elephants were once classified together as pachyderms (meaning "thick skin"). They actually desc

ended from different ancestors that in turn evolved from a thin-skinned common ancestor that was not included in the pachyderms. Pachyderms were therefore, as a taxon.

Biology
1 answer:
Gnoma [55]3 years ago
7 0

Answer:

polyphyletic

Explanation:

Polyphyletic

The organisms in this groups show similar attributes, but lack a recent common ancestor and could have risen from convergence.

Take for instance, birds and mammals in a polyphyletic group of warm-blooded animals may possess a mixture of biochemical and physiological attributes. On the other hand, their most recent common ancestor was a cold-blooded species, which shows birds and mammals had their warm-blooded nature as separate groups.

Another example is the Elephants, hippopotamuses, and rhinoceroses belongs to a polyphyletic groups with each one coming from a separate small species.

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How does recombination provide genetic variation
pochemuha
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
7 0
3 years ago
In terms of ecosystem stability and predator-prey interactions, what is the concern over declining krill populations
yKpoI14uk [10]

Declining krill populations will have catastrophic consequences for ecosystem homeostasis and it will increase the levels of phytoplankton.

<h3>What is ecosystem homeostasis?</h3>

The term ecosystem homeostasis makes reference to the state of equilibrium between different species in an ecosystem.

Krill are fundamental primary consumers in aquatic environments and they eat autotrophic phytoplankton.

In conclusion, declining krill populations will have catastrophic consequences for ecosystem homeostasis and it will increase the levels of phytoplankton.

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8 0
2 years ago
Ethyl alcohol is a byproduct of both Lactic Acid and Alcoholic Fermentation.
jasenka [17]

Answer:

False

Explanation:

Ethyl alcohol is formed only during alcoholic fermentation and in lactic acid fermentation lactic acid is formed

3 0
2 years ago
Read 2 more answers
"A star at the stage in its life cycle when it stops burning Hydrogen, begins
Marat540 [252]

Answer:

ok

Explanation:

3 0
3 years ago
You have a 12 sided cube that is numbered from 1 to 12. What is the probability of rolling a five?
nadezda [96]

Answer:

1/12

Explanation:

Formula for calculating probability:

            Probability of an outcome A =

     Number of favorable outcomes of A / Number of possible outcomes

       P ( A )  = number of favorable outcomes to A / total number of outcomes

⇒ The number of times 5 can appear when you roll the 12 sided cube once is one time   =  1

⇒ The total number of possible outcomes is 12 - meaning you can roll any number between 1 - 12 when you roll the dice once.   = 12

Therefore the probability of rolling 5  = 1 /12

 Probability = 1 / 12

hope this help and brainiest please. thx

8 0
3 years ago
Read 2 more answers
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