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3 years ago

What percentage of all living things that have ever existed on

Biology

2 answers:

Ratling [72]3 years ago

8 0

D. 99% of all living things that have ever existed are now extinct

prisoha [69]3 years ago

5 0

Answer:

The correct answer option is d. 99 percent.

Explanation:

Extinction is the term used for the termination of any organism or of a group of organisms which are commonly called as species.

Death of organisms or a species results in their extinction. Out of all over five billion species that have ever existed on the earth, about 99 percent have already gone extinct.

While the current number of species that exist on earth have reduced to a range of 10 million to 12 million.

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ANSWER THIS TO BE MARKED AS BRAINLIEST

LekaFEV [45]

Answer:

If money were unlimitied and I were in charge, to help global warming and climate change, everytime there is a fire, I would make jets, ariplanes, and helicopters bring the biggest buckets every filled with water, and put it out! If the seasons were switched up, I would do anything I can to make them the same for example, if it were snowing, I would shovel the snow up everywhere if it were summer time!!

Explanation:

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3 years ago

Scientists have found that extracellular matrix components may induce specific gene expression in embryonic tissues such as the

serg [7]

Scientists have found that extracellular matrix component may induce specific gene expression in the embryonic tissues such as the liver and testes. For this to happen, there must be a direct communication between the extracellular matrix and the developing cells. The Integrins of transmembrane protein would most likely be involved in this kind of induction.

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1 year ago

CHECK IF THE FIRST ONE IS RIGHT AND ANSWER THE SECOUND ONE Only answer if you know its right 13 POINTS :)

Thepotemich [5.8K]

The first has to be changed to dwarf star, and the second one is the effect of solar winds. Hope this helps!

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3 years ago

Read 2 more answers

Assume that some members of an aquatic species of motile, photosynthetic protists evolve to become parasitic to fish. They gain

MaRussiya [10]

Answer:

The correct answer is C: loss of chloroplasts.

Explanation:

The parasite would lose chloroplasts. As they absorb nutrients from the fish digest food in the gut of the animal, parasites do not need to photosynthesize any more. There are some parasites in the fishes digestive tract that conserve their motile capacity by keeping their flagellum or cilium. Some species get their membranes thicker for protection in their interaction with the host, and they can also secrete a special capsule. In general, these organisms reproduce asexually.

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3 years ago

The change in time for the first quarter is

Gemiola [76]

Answer:

The change in time for the first quarter is 2.07 seconds.

The change in time for the second quarter is 1.09 seconds.

The change in time for the third quarter is 0.95 seconds.

The change in time for the fourth quarter is 0.81 seconds.

Explanation:

This is for table C

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3 years ago