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Pie
3 years ago
5

What type of muscle is responsible for contractions of the digestive tract and arteries?

Biology
1 answer:
Fiesta28 [93]3 years ago
8 0

Answer:

first Q answer is

smooth muscle

second Q answer is

striated

third Q answer is

skeletal

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masha68 [24]

Answer: C

Explanation:

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2 years ago
One of the original Amish colonies rose from a ship of colonists that came from Europe. The ship’s captain, who had polydactyl
ANTONII [103]

Answer:

B and C

Explanation:

When the Amish came to their new home, they were founding a new colony. This is considered a founding effect.

Now, there is another thing to keep in mind, and that is that the Amish are very strict about their custom, for example, the idea of family and identity. This led them to form couples, only among the members who belonged to the community.

As generations go by, genealogical relationships between individuals in the population become closer. This causes some genes, by mere probability, to become fixed (i.e. they are the only ones left in the population). As a consequence of this, the frequency of rare genes increases (polydactyly). This evolutionary process is known as gene drift.

6 0
3 years ago
Why is water colour less?
horsena [70]
Water means it is the mixture of hydrogen and oxygen. As we know that hydrogen is colourless as well as oxygen is also colourless gas.
So at last when hydrogen and oxygen reacts with one another and they form H2O means water. If both are colourless so their product will also be colourless. So water is seen colourless.
5 0
3 years ago
Jezelyn needs to create a project that shows geographic isolation in action and decides to make a video. Which of the following
kodGreya [7K]

Answer:

a video that shows penguin species that have different mating dances

Explanation:

The question is incomplete as it does not have the options which are:

  • a video that shows a large river that has penguin populations on both sides
  • a video that shows penguin species that have different mating dances
  • a video that shows a penguin that is laying eggs
  • a video that shows penguins in a tidal pool and an open ocean

Answer:

a video that shows penguin species that have different mating dances

<em><u>The reproductive isolation is the factor which allows the species to evolve and form a new species, therefore, this factor is used to describe a species.</u></em>

<em><u /></em>

<em><u>The reproductive isolation refers to a mechanism in which the species are isolated to not interbreed with the individual of other species. The reproductive isolation could be due to behavioural, psychological, physical or genetic differences. evolved as an adaptation.</u></em>

<em><u /></em>

<em><u>In the given cases, the penguin species which shows different mating dances is considered to be reproductively isolated as the different dance rituals evolved as behaviour to prevent them from mating.</u></em>

<em><u /></em>

<em><u>Thus, the selected option is correct.</u></em>

<h3><em><u /></em></h3>

5 0
3 years ago
1) Base your answer on the information and data table below and on your knowledge of biology.
skelet666 [1.2K]

Answer:

A) intensity of light

Explanation:

The independent variable is the thing being changed. A dependent variable is the effect caused by that change

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