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Naddika [18.5K]
3 years ago
11

How new species may have formed in three land masses from the ancestral Adansonia species

Biology
1 answer:
Kamila [148]3 years ago
5 0
Every species are fromed by geographical isolation. That means that members that belong to similar species are separated to different sectors that are different by climate and landscape. And that is the way h<span>ow new species may have formed in three land masses from the ancestral Adansonia species.</span>
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What would happen if the hormone levels did not have their peak just before
Vinvika [58]
B. Ovulation would not happen
7 0
2 years ago
The energy pyramid shown above represents a valley ecosystem. Which transfer of energy shown below is most likely?
nadya68 [22]
A transfer of energy in practice means that one organism eats the other organism, so here we have to ask whether the first organism is eaten by the second.

A. from rabbits to green plants

Plants don't eat rabbits so -no!

B. from weasels to eagles
-this is the correct answer! Eagles do prey on weasels and eat them whenever they can

C. from eagles to rabbits
Rabbits don't  eat eagles -so, no!

D. from green plants to weasels

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7 0
3 years ago
In a certain species of plant, the allele to produce green melons (G) is dominant over the allele to produce yellow melons (g).
marishachu [46]

Answer:

4.26

Explanation:

Let the green-melon parents be Gg, then we expect the cross with the yellow-melon plant gg so as to produce 50% Gg and other 50% of gg offspring. What we observed was that 53 green and a 41 yellow. Based on the total number of 94 offspring , we expected half and a half ratios to be 47 of each color.

                                Observed(o)   Expected(e)   (o-e)    $(o-e)^2$      $(o-e)^2/e$

Green-melon plant        53                    47               6          36             0.766

Yellow-melon plant        41                    47              -6          36             0.766

Therefore the chi-square value is 1.53 which is less than the critical value of 3.84. Therefore, the null hypothesis is accepted.

4 0
3 years ago
Earth travels around the Sun at about 67,000 miles per hour. Earth's motion, therefore, is an example of _____.
irina [24]

Answer:

B. Velocity

Explanation:

7 0
3 years ago
Read 2 more answers
Andida albicans is part of our normal oral flora. Under certain conditions, it can overgrow, leading to oral thrush. Typically,
LekaFEV [45]

Answer:

Opportunistic, endogenous pathogen

Explanation:

Opportunistic infection is an infection that is caused by the microbes that are otherwise the component of one's own normal microbiota.  Under particular conditions, the microbes become pathogenic and cause infection. The pathogen-derived from one's own microbiota is called endogenous pathogen.

According to the given information, <em>Candida albicans </em>is a part of the microflora of mouth but becomes pathogenic under certain conditions. In healthy individuals, they do not produce disease as their overgrowth is suppressed by other microbiota and other host resistance mechanisms. The infection occurs only in those individuals with predisposing factors such as weakened immune system or after consumption of antibacterial medications that disturb the normal microbiota and immune competency. This makes it an opportunistic, endogenous pathogen.

6 0
3 years ago
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