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jeka94
3 years ago
10

According to the phylogenetic tree, which phylum of organisms are most closely related to chordates?

Biology
1 answer:
nlexa [21]3 years ago
6 0

I believe the answer is echinodermataechinodermata and Chordata have a very similar embryonic development; tirhe first opening (the blastopore) becomes the anus, while in protostomes it becomes the mouth and several similarties in the formation of skeleton.It is predicted that Echinodermata and Chordata evolved from the same ancestor

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Normally, the hydrostatic pressure difference between capillary fluid and interstitial fluid favors movement of fluid __________
timofeeve [1]

Answer:

out of

into

Explanation:

As pressure exerts force, Hydrostatic pressure is a type of force that occurs in fluid e.g (interstitial fluids) on the walls of the capillary. The helps to carry fluid-like materials out of the tissue capillary. There are quite bunch of relative factors affecting the hydrostatic pressure which include; the liquid density and distance beneath the liquid surface,force of gravity.

On the other hand, The protein osmotic pressure difference between capillary fluid and interstitial fluid normally favors movement of fluid into a tissue capillary. This protein substances consist of albumin, plasma protein etc. From our knowledge of osmosis as well, we knew it is the movement of substances through a semi-permeable membrane from the region of higher concentration to a lower concentration.  Therefore the protein osmotic pressure bring about movement of fluid like substances into the tissue capillary.

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3 years ago
The table above shows the average amount of sunlight for each month. During which month would the Summer Solstice occur in the N
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Answer:

A. Month 6 because it had an average of 15.2 hours of sunlight.

Explanation:

Summer Solstice occurs in June, which is the sixth month of the year. Summer Solstice is the longest day of the year, for the Northern hemisphere this is between the 20, 21 or 22 of June, During one of these days, the  Northern hemisphere is more exposed to the sun rays giving more hours of sunlight, which means a longer day.

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3 years ago
Which of the following statements is INCORRECT? Which of the following statements is INCORRECT? Stratified squamous epithelia ar
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Answer:

Simple cuboidal epithelia are found in areas that stretch.

Explanation:

The simple cuboidal epithelium consists of a single layer of cuboid cells with a centrally located nucleus. The cells of this epithelial tissue are mostly involved in secretion and absorption and therefore, are found in the lining of ovaries, lining of kidney tubules and gland ducts.

Transitional epithelium is like a stratified cuboidal epithelium when not stretched. Its cells become flatter when the tissue is stretched. It has multiple cell layers and elasticity and therefore, is found in the lining of the urinary bladder and parts of ureter and urethra to allow stretching of these organs.

8 0
3 years ago
In addition to paleomagnetism, what other evidence was needed to determine the rate of seafloor spreading?
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For the first question, the age of each strip of rock is needed to determine the rate of seafloor spreading. The answer is B.
For the second question, the answer is A.
7 0
3 years ago
Lipids help to make up the cell membrane in all cells. How are lipids able to do this?
ASHA 777 [7]

Answer:

they have chemicals

Explanation:

5 0
3 years ago
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