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Georgia [21]
4 years ago
11

If you were designing a lander to work on mars, where on earth would you test it? Why?

Biology
1 answer:
emmasim [6.3K]4 years ago
4 0
Hmm good question. Well I would have to test it for where there are no living life. I would have to build another NASA in the County because there is plenty of room there. Mars is made out of Dusty Crust that is about 30 miles thick. And let's say that the desert's Dusty Crust is about 5 miles - 15 miles thick. That will give about the same amount of surface that mars has. So we would know what to build for a perfect lander to work on Mars. This isn't much but it is something.
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Explain how a child can have a different phenotypic characteristic that neither parent has
Elenna [48]
You are lucky because I just finished learning this! 

See a child or offspring that shows a dominant trait that is not shown in parents can be recessive for either one or both parents. So basically one or both parents might have a recessive trait that showed up in the offspring! 


7 0
3 years ago
In gorillas, the ability to roll the tongue is under the control of 1 gene. The R allele, which confers tongue-rolling ability,
aalyn [17]

Answer:

0.4550

Explanation:

In this example, R allele is dominant, so individuals RR and Rr can roll their tongues. If in a population of 1000 gorillas, there are 575 gorillas who can roll their tongues, they will be RR and Rr.

In this case, there is Hardy Weinberg Equilibrium, so the following will be true:

p^{2}+2pq+q^{2}=1

Where:

p^{2}= frequency of RR

2pq= frequency of Rr

q^{2}= frequency of rr

The question is what is the frequency of heterozygotes, or, what is the value of 2pq.

We know that RR+Rr is 575 individuals in a population of 1000, or 0.575.

In other words:

p^{2}+2pq=0.575

So, it is possible to find q^{2}:

q^{2}= 1-2pq-p^{2}  \\q^{2}=1-(0.575)\\q^{2}=0.425

Now, there are two alleles in the population, so the following will be true:

p+q=1

It is possible to find q  (the frequency of allele r) and p (the frequency of allele p):

q=\sqrt{q^{2} }\\ q=\sqrt{0.425} \\q=0.652

Therefore:

p=1-q\\p=1-0.652\\p=0.348

Now, the frequency of heterozygotes or 2pq is:

2pq=2*0.652*0.348\\2pq=0.45

7 0
3 years ago
Which of the following biogeochemical cycles includes the processes of buffering ocean ph and photosynthesis, as shown in the di
MArishka [77]

The biogeochemical cycle that  includes the process of buffering ocean pH and photosynthesis is the carbon cycle.

The biogeochemical cycles show the movement of matter in nature. These cycle show us that indeed matter is neither created nor destroyed but is always changed from one form to another.

The carbon cycle shows the movement of carbon in nature. An important component of the carbon cycle are the sinks of carbon. There are two important sinks of carbon dioxide in the carbon cycle which are oceans and green plants.

Green plants require carbon dioxide for photosynthesis while carbon dioxide is absorbed in the oceans as bicarbonate and carbonate ions where it helps to buffer ocean pH.

Learn more: brainly.com/question/1627609

3 0
3 years ago
1. How are renewable resources and nonrenewable resources different? Give two examples of
Ber [7]

Answer:

Renewable resources = electricity,wood

Non renewable resources= petrol,diesel hope u understand

3 0
3 years ago
Read 2 more answers
What is true of macroevolution?
Allisa [31]

Answer:

b. It is evolution above the species level.

Explanation:

Macroevolution is the evolution that generates new taxa, for examples two or more species from a common ancestor. Macroevolution is the product of microevolutionary processes, it is, of <u>microevolution</u>: the change in allele frequencies in a population over time.  Macroevolutive changes are commonly evident while not all microevlutive changes are not.

5 0
4 years ago
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