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dexar [7]
3 years ago
7

What would MOST LIKELY happen to the black swallowtail butterfly if these plants continue to decrease?

Biology
1 answer:
Paul [167]3 years ago
8 0

Answer:Limiting factor is a factor which can limit the abundance, distribution of the species in an ecosystem this can be a resource, predator or natural disaster. The black swallowtail butterfly feeds on endangered plant named Candy's dropwort. If the plants continue to decrease the population of black swallowtail butterly will also decrease as decrease in the plant population will act as a limiting factor for the growth of butterfly population.

Explanation:

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List and explain the 3 paths natural selection can take.
evablogger [386]

Answer:

1. Stabilizing Selection  

2. Directional Selection  

3. Disruptive Selection  

Explanation:

Stabilizing Selection  

This type of natural selection occurs when there are selective pressures working against two extremes of a trait and therefore the intermediate or “middle” trait is selected for. If we look at a distribution of traits in the population, it is noticeable that a standard distribution is followed:

Example:  For a plant, the plants that are very tall are exposed to more wind and are at risk of being blown over. The plants that are very short fail to get enough sunlight to prosper. Therefore, the plants that are a middle height between the two get both enough sunlight and protection from the wind.

Directional Selection  

This type of natural selection occurs when selective pressures are working in favour of one extreme of a trait. Therefore when looking at a distribution of traits in a population, a graph tends to lean more to one side:

Example: Giraffes with the longest necks are able to reach more leaves to each. Selective pressures will work in the advantage of the longer neck giraffes and therefore the distribution of the trait within the population will shift towards the longer neck trait.

Disruptive Selection  

This type of natural selection occurs when selective pressures are working in favour of the two extremes and against the intermediate trait. This type of selection is not as common. When looking at a trait distribution, there are two higher peaks on both ends with a minimum in the middle as such:

Example: An area that has black, white and grey bunnies contains both black and white rocks. Both the traits for white and black will be favored by natural selection since they both prove useful for camouflage. The intermediate trait of grey does not prove as useful and therefore selective pressures act against the trait.

6 0
3 years ago
Most fungi are saprobes. What does this mean?
svp [43]
They feed on dead, decaying, organic matter.
6 0
3 years ago
Red (heterozygous) x red (homozygous) ________ (all red; 3 red, 1 white; all white; 2 red, 2 white; ).
coldgirl [10]

Answer:

all will be red

2 heterozygous red

2 homozygous red

Explanation:

hope it helped u buddy

3 0
3 years ago
How many chromosomes do each sex cell have
FrozenT [24]

\huge \tt{Hello...!}

<h2><u>My </u><u>Answer</u></h2>

In humans, cells other than human sex cells, are diploid and have 23 pairs of chromosomes. Human sex cells (egg and sperm cells) contain a single set of chromosomes and are known as haploid.

I Hope it's Helps ╮(^▽^)╭

<h2>#CarryOnLearning</h2>
4 0
3 years ago
Skin tanning is an example of which adaptation technique?
Marina CMI [18]

D, because skin tans to help us stand being in the sun without getting burned.

An example of physiological adaption is being able to digest milk. Before, humans were not able to digest milk before we developed enzymes that now make us have the ability to do so, thus allowing us another food source.

5 0
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