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3 years ago

The condition where fluid compresses the heart and limits its ability to contract is called ________.

Biology

1 answer:

aleksley [76]3 years ago

3 0

Answer:

Cardiac Temponade

Explanation:

Cardiac temponade is the condition where the fluid fills the pericardial space and it reduces the filling of ventricles causing issues with contraction and destabilize the blood flow. The condition can get very serious and can cause shock and even death.

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A standardized taxonomic system is valuable because it helps biologists agree on methods to

creativ13 [48]

Answer:

A. separate organisms

Explanation:

Sana makatulong

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3 years ago

Scientists are uncertain about how life began on Earth.<br>Why?

Ksju [112]

By studying fossils, scientists can learn how much (or how little) organisms have changed as life developed on Earth. There are gaps in the fossil record because many early forms of life were soft-bodied, which means that they have left few traces behind. This is why scientists cannot be certain about how life began.

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3 years ago

With which of the following statements would a biologist be most inclined to agree?

ch4aika [34]

Answer:

Humans and apes represent divergent lines of evolution from a common ancestor.

Explanation:

That's why we say we are related to chimps or other primates.

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3 years ago

Amoebas obtain food by wrapping the cell membrane around the food particles, creating a vesicle. The food is then brought into t

levacccp [35]

Answer:

endocytosis

Explanation:

Endocytosis is a cellular process in which substances are brought into the cell. The material to be internalized is surrounded by an area of cell membrane, which then buds off inside the cell to form a vesicle containing the ingested material.

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3 years ago

Beginning with a cell that just fertilized ( 1 cell ) how many times must it divide to become a 64 cell blastomere ?

natka813 [3]

A cell that just fertilized has to divide 6 times to form a 64 cell blastomere.

<u>Explanation:</u>

Human reproduction begins with the fusion of male gamete sperm and female gamete ovum. The fusion of sperm and ovum forms the zygote that is diploid. The zygote then undergoes mitotic division to develop into embryo.

The zygote first divides into two and the two individual cells divide again to form four individual cells and so on. Thus the number of cells after each division can be represented by the equation $2^n$ where n is the number of divisions. in the question it is given that the blastomere has 64 cells.

$2^n=64$

n=6

This means that the fertilized cell has to divide 6 times to develop into 64-celled blastomere.

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3 years ago