HELPPPP ASAPPPP PLSSS

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Answer 1

The answer is c I think

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When physicians perform an organ transplant, they choose a donor whose tissues match those of the recipient as closely as possible. Which of the following cell components must be matched to ensure the recipients body doesn’t reject the new organ?

a
plasma membrane proteins
b
phospholipids
c
cell-surface carbohydrate
d
cytoplasm

Answers

plas.a membrane proteins

How do fossils of limb structures provide evidence that ancient and modern tetrapods are related

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Answer: Fossils of limb structures provide evidence that ancient and modern tetrapods are related because it backs up the fact that both ancient and modern tetrapods follow the one bone two bone many bone digit pattern. It suggests to how modern and ancient tetrapods have the ancestry which come from early tetrapods.

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x*sin(6)= -40
what is the answer

Answers

Answer:

x=143.15

Explanation:

PLEASE HELP I only have tomorrow morning to get my grade up.
Prompt: Explain what the Big Bang theory is using evidence that supports the theory

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oo, The Big Bang theory predicts how much of each element should have been made in the early universe, and what we see in very distant galaxies and old stars is just right. You cannot look in new stars, like the Sun, for this evidence, because they contain elements that were created in previous generations of stars.

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Drag each label to the correct location on the chart. Describe the two fields of study.

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compare the limbs of different organisms goes in left box. compares fossilized structures to living organisms left box.
other 2 go in the right box hope this helped(:

A mature egg is released from the ovary during a process called
a. fallopian tube
b. ovulation
C. menstruation.
d. fertilization

Answers

ovulation and happens once a month

Answer:

b. ovulation

Explanation:

trust :)

What are the major parts of a cell?

Answers

Answer:

A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Within the cytoplasm lie intricate arrangements of fine fibers and hundreds or even thousands of miniscule but distinct structures called organelles.

Explanation:

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If the producers have 6500kcal of energy, identify the amount of energy that would be present at each level of the energy pyramid.

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Answer:

primary producers have 6500

primary consumers have 650

secondary consumers have 65

third level consumers have 6.5

the last one gets 0.65

As you may know, the 10% rule is applied here to calculate the energy levels on each tropic level. This rule states that the organism(s) use up 90% of the energy and pass on only 10% to the next tropic level.

The order we are going to calculate the energies on each level is this:

Producer(s)
Primary Consumer(s)
Secondary Consumer(s)
Tertiary Consumer(s)

Since the producers have 6500kcal of energy, only 10% of that is passed onto the second tropic level to the primary consumer(s.)

To do this simply divide by 10.

6500kcal/10 = 650kcal for the primary consumer(s.)

650kcal/10 = 65kcal for the secondary consumer(s.)

65kcal/10 = 6.5kcal for the tertiary consumer(s.)

Most likely, that is the answer.

Help I need 3 short answers 15 points! thanks you!

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Answer:

Could you be more specific on what you're asking about? It is kind of unclear.

(I can update this answer if you help by clarifying what you're asking)

If the producer level of the energy pyramid start with 5000 calories how many calories will transfer to the secondary consumers

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Explanation:

Only 10% of calories will be transfered to the next higher level.

5000 * 0.1 = 500.

500 calories will transfer to the secondary consumers.

The number of calories that will be transferred to secondary consumers will be-

10% of 5000 = 500 and

10% of 500 =50 calories.

What is the ten percent law?

The ten percent law explains the energy transfer among the trophic levels in a food chain. It was given by Raymond Lindemann.

According to this law, when the energy is transferred from one trophic level to the next, ninety percent of the energy is lost in the form of heat and only ten percent of the energy is received by the next trophic level.

For example, if an energy level or a trophic level has 10,000 calories, only ten percent will be received by the next energy level which is 1000 calories.

In an ecosystem, energy is produced by primary producers. If the primary producers start with 5000 calories of energy, the energy received by the next trophic level, i.e by the primary consumers will be ten percent of 5000. This will be equal to 500.

Therefore the energy received by secondary consumers will be ten percent of 500, which will be equal to 50 calories.

Answers

The function of the excretory system is to remove wastes (excrete wastes).

Answer: Excretory systems regulate the chemical composition of body fluids by removing metabolic wastes and retaining the proper amounts of water, salts, and nutrients. Components of this system in vertebrates include the kidneys, liver, lungs, and ski

Explanation:

Why are scientific modles used for? Give an example of each of the following modles: idea, Physical, Computer

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Answer:

Scientific models are used to explain and predict the behaviour of real objects or systems and are used in a variety of scientific disciplines, ranging from physics and chemistry to ecology and the Earth sciences.

Explanation:

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you do not actually have to do an experiment, just write an example. please help!!!

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Answer:

Well, you will need to see how this fungus looks like. I would say it is a green, black, and brown color and it would be classified as an mold type fungus.

Plant 2 is produced asexually from Plant 1. If the leaf cells of Plant 1 have 30 chromosomes, how many chromosomes will be found in the
leaf cells of Plant 2?
A 15
B. 30
C. 60

Answers

B.30 should be the correct answer

B should be the right answer to this

What happens during rusting of an iron nail? (1 point)
Sulfur and oxygen combine to form a sulfur dioxide coating.
O Sulfur, iron, and oxygen combine to form iron sulfoxide.
O Iron and oxygen combine to form iron oxide.
O Iron and sulfur combine to form iron sulfide.

Answers

Answer:

C) Iron and oxygen combine to form iron oxide

Explanation:

Iron react with oxygen to form iron oxide in the rusting of iron nails.

The nails of iron is made up of iron that is unstable which reacts with oxygen that is present in the air that lead to rusting of iron nails. This reaction can be prevented by painting the metal that covers the surface and prevent the reaction of iron and oxygen which results in the long life of iron materials. The rusting of iron deteriorates the metals which causes in the reduction in the life of iron materials so we can conclude that iron reacts with oxygen results in the rusting of iron nails.

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