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enyata [817]
3 years ago
8

Jezelyn needs to create a project that shows reproductive isolation in action and decides to make a video. Which of the followin

g would make the best project?
1. a video that shows a large river that has penguin populations on both sides
2. a video that shows penguin species that have different mating dances
3. a video that shows a penguin that is laying eggs
4. a video that shows penguins in a tidal pool and an open ocean
Biology
1 answer:
scZoUnD [109]3 years ago
7 0

Answer: 1. a video that shows a large river that has penguin populations on both sides.

Explanation:

Reproductive isolation is a phenomena which occurs when members of the same species becomes separated due to a geographical, physical or behavioral barrier. The members of the same species after separation adapt to changes and this is the basis of speciation or development of new species.

Option 1 is the correct option as the river is the geographical barrier, between the two separated penguin populations.

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Why is the circulatory system is considered a system
vitfil [10]

Answer:

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Explanation:

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7 0
3 years ago
The overall population of a species has increased. What could have occurred to allow this to happen?
alex41 [277]

Answer:

The correct answer is - The immigration of the population is greater than the emigration.

Explanation:

The growth of the overall population depends on the birth rate, immigration, emigration and death rate. The growth of the population can be calculated by subtracting the number of individuals removed or exited the population from the number of individual come into the population.

Among the given options the best choice is the number of immigration is higher than the number of individual emigrated from the population that means the population growth is increased.

4 0
3 years ago
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Why plants can survive without animals but animals cannot survive without planr?
Westkost [7]
Plants can make their own food by photosynthesising however, animals need to consume plants for energy/as food if their were no plants animals would starve. plants also provideanimals with oxygen as a waste product of photosynthesis which animals need to survive
6 0
4 years ago
What is used as evidence to develop a phylogenetic tree?
alexira [117]

A phylogenetic tree is the representation of the evolutionary relationships among species. The fossil records are used as evidence to develop a phylogenetic tree. Thus, option A is correct.

<h3>What is a fossil record?</h3>

A fossil record is a depiction of the organisms that shared common ancestors and depicts the change in the structural and functional unit of the organism over many years of time.

They are used to illustrate the phylogenetic tree to show the morphological, structural, chemical, anatomical, etc variations in species that shared ancestry.

Therefore, option A. fossil records are used to show the common ancestry at the nodes.

Learn more about fossil records here:

brainly.com/question/3637110

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7 0
1 year ago
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blagie [28]

Answer:

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Explanation:

Antonie van Leeuwenhoek was a Dutch linen merchant who specialized in grinding glass lenses to ever finer specifications. This grounded glass lenses built at an ever finer specifications was the groundwork for his manufacturing of the microscope that is used for studying and describing various living microscopic animalcules.

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