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IgorC [24]
3 years ago
10

In the DESERT BIOME, which of the following could be an example of commensalism?

Biology
1 answer:
Vikentia [17]3 years ago
7 0

In the DESERT Biome , which of the following could be an example of commensalism?

A. A gopher snake occupies a burrow made by the desert rat.

B. A chipmunk takes shelter in an oak tree and is protected from predators and in return, disperses seeds around the area.

C. Wasps lay eggs in the case of eggs laid by the praying mantis. When the wasp eggs hatch, the larvae feeds on the eggs of the praying mantis.

D. A tapeworm gets into a moose and causes harm

E. A fox follows a caribou that removes the snow covering to get to the lichens under the soil. The fox then hunts the animals that have been uncovered.

<u>F. A desert coyote eats fruit and in return disperses the seeds of the fruit around through its scat (poop). </u>

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Before a captive breeding program and subsequent reintroduction of the black-footed ferret it is believed that their total popul
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Answer:

a) 99.93%

b) 99.98%

Explanation:

Given that:

Total population size was only around 18 individuals ( for  black-footed ferret)

If the annual survival rate in the wild was 0.4%.

a)

What is the probability that all 18 would have died in a single year?

To find that; we multiply the annual survival rate in the wild with the total population; which is:

(0.4%×18) = 0.072%

Then; we subtract it from a total of 100% in order to determine the probability that all 18 would have died in a single year.

= (100.00% - 0.072%)

= 99.93%

b)

What is the probability that all 18 would have died in a single year if canine distemper was present?

Given that;

Because of the presence of canine distemper disease, the annual mortality rate might have been as high as 0.89.

To determine the probability; we have:

1 - Annual mortality rate = annual survival rate

1 - 0.89 = 0.11 %

Therefore, 0.11% of 18 individuals = (0.0011 × 18)

= 0.0198%

Probability that all 18 would have died in a single year if canine distemper was present = 100 - probability of annual survival rate

= (100 - 0.0198)%

= 99.98%

7 0
3 years ago
You have a plant with yellow seeds, which express a dominant phenotype. How would you determine the plant's genotype?. . . Condu
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If it displays the dominant genotype, we can assume that this plant would have a heterozygous (hybrid) genotype, i.e.

With a purebred recessive plant, the geneotypes would be 50% Bb and 50% bb.

With a purebred dominant plant, the genetpyes would be 50% BB and 50% Bb.

With a <span>heterozygous (hybrid) plant, the genotypes would be 25% BB, 50% Bb and 25% bb.</span>


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3 years ago
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Qual é a principal função da célula biliar?
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<span>A vesícula biliar é uma estrutura em forma de pêra, oca localizada sob o fígado e no lado direito do abdômen. Sua principal função é armazenar e concentrar a bile, uma enzima digestiva marrom-amarela produzida pelo fígado. A vesícula biliar é parte do trato biliar.</span>
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Peter was surprised to learn that, in addition to blood, there's another type of circulating body fluid that flows within separa
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Can somebody help me please. thanks
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Claim: No tools to discover the impending Cell Theory.

Reasoning:
Schleiden and Schwann, as well as Virchow, are generally seen as the founders of the cell theory, due to their pioneering scientific work in the 1800s. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.

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(Two Dutch spectacle-makers and father-and-son team, Hans and Zacharias Janssen, create the first microscope.) Matthias Schleiden observed that all plants were made of cells from the microscope and Theodor Schwann observed that all animals were also made of cells. Rudolf Virchow observed that cells only come from other cells Virchow saw cells dividing and added that living cells arise only from other living cells. These ideas led to cell theory, which states that all organisms are made of cells, all life functions occur in cells, and all cells come from other cells.
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