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Flura [38]
3 years ago
14

What is earth made up of???

Biology
1 answer:
Anna [14]3 years ago
4 0
Earth is made out of a lot of different materials inclluding silicon, iron, nickel, aluminum and other metals.  Of course, it's atmosphere is made out of gases including nitrogen oxygen CO2 and Carbon monoxide.
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Which Mimulus species would you categorize as mainly asexual reproducers? Why? A. M. rupestris and M. eastwoodiae; they put more
nekit [7.7K]

Answer: C. M. rupestris, M. eastwoodiae, and M. nelsonii; they put more energy into making rooted branches than they put into making nectar and seeds.

Explanation:

In asexual mode of reproduction the plant does not produce gametes. The plant reproduce through vegetative propagation or spore formation. The plant does not produce nectar as no flowers are produced to attract the pollinators.

In sexual mode of reproduction the plant will develop the gametes and flowers will produce the nectar to attract the pollinators.

Thus on the basis of above explaination, C is the correct option. As the plants will invest more energy in making roots which are the organs for vegetative propagation a process of asexual reproduction.

6 0
3 years ago
An operon encodes enzymes for making an essential amino acid and is regulated like the trp operon. Which of the statements is tr
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"The <span>amino acid acts as a corepressor" is the statement among the choices given in the question that is true. The correct option among all the options that are given in the question is the second option or option "B". I hope that this is the answer that has actually come to your great help.

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7 0
3 years ago
The dissolved waste molecules produced by the cells are removed primarily from the blood by the what?
Degger [83]
B-Kidneys

The kidneys act as filters that strain urea and excess salts from the bloodstream to release them in the urine.
4 0
3 years ago
Please answer this ASAP
loris [4]

B

I hope this answer helped! please rate 5 stars >:)

8 0
2 years ago
How do geologic timelines help scientists?
Otrada [13]

Answer:

They used relative dating to divide Earth's past in several chunks of time when similar organisms were on Earth. Later, scientists used absolute dating to determine the actual number of years ago that events happened. The geologic time scale is divided into eons, eras, periods, and epochs.

Explanation:

7 0
3 years ago
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