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Vikki [24]
3 years ago
8

I need help with my homework pleaseee

Biology
1 answer:
patriot [66]3 years ago
7 0

I can't read your paper

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WILL GIVE THE BRAINLIEST AND 99 PTS IF SOMEONE ANSWERS FIRST!!!!
cupoosta [38]

Answer would be D. The ecliptic would be path the Sun appears to move during the day.

D.The moon’s orbit must cross the plane of the ecliptic

5 0
3 years ago
The combined observations of Mattias Schleiden, Theodor Schwann and Rudolph Virchow resulted in the formation of the cell theory
alexandr402 [8]

Answer:

The question lacks options, the options are:

A) All cells contain a nucleus.

B) All cells come from other living cells

C) All living organisms are made of one or more cells.

D) Cells are the basic unit of structure and function of all living things.

The answer is A

Explanation:

In 1830's, three scientists named; Mattias Schleiden, Theodor Schwann and Rudolph Virchow contributed to describing the basic properties of the cell, which they proposed in their so named CELL THEORY. This widely accepted cell theory has three components:

All living organisms are made up of one or more cells.

Cells are the basic and fundamental unit of life

All existing cells come from cells that have previously existed.

It was not proposed that all cells have a nucleus

8 0
3 years ago
Select which of the following are mechanisms used by pathogens to avoid host defenses and to successfully colonize the host.
matrenka [14]

Answer:

Producing toxic substances to suppress host response

6 0
3 years ago
Hormone is controlled by a
Marina CMI [18]

Answer:

Hormones are controlled by a

(negative)

feedback system between the glands that produce this hormone and the  concentration of blood calcium ions. If the level of ions is

(low)

,hormone secretion is increased. This causes  resorption by  cells called

which releases both calcium and phosphate ions into the blood stream.​

Explanation:

Negative Feedback a the process in your body that helps to maintain Homeostasis. If some variable changes a value in your body, like your ion levels,  your glands produce a hormone that causes resorption by  cells. This releases both calcium and phosphate ions into the blood stream and therefore your ion levels go back to normal.

Hope this helps!

5 0
3 years ago
What mechanical layer sits on top of the asthenosphere ?
matrenka [14]
The lithosphere sits on top of the asthenosphere.
7 0
3 years ago
Read 2 more answers
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