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2 years ago

PLS HELP: how did the school experiment turn out? discuss how you might learn in this environment.

Biology

1 answer:

Svetllana [295]2 years ago

3 0

Answer:

That young people loved it. They found it much more motivational, much more exciting than traditional education. In this environment, I could learn how to get out of my comfort zone and become more successful in the things I'm passionate about.

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Both amphibians and mammals rely on a double circulatory system. However, one large difference is ________.a. Amphibians do not

astraxan [27]

Answer:

Explanation:

1. Amphibian's heart is three-chambered from which two are atria and only one is ventricle.

2. And there is two circulatory pathways having different routes.

3.There is mixing of oxygenated and deoxygenated blood in case of amphibians.

4. And in case of mammals there is no mixing of blood,, both the oxygenated and deoxygenated blood is completely separate.

5. Mammal's heart contain four chambers from which two are atria and two are ventricle, and they completely separate both the oxygenated and deoxygenated blood.

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3 years ago

Who created the earth

DENIUS [597]

God, He is the one that created the earth.

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3 years ago

Read 2 more answers

Species or systems that affect how each other develop over time are undergoing

NARA [144]

Answer: Ecological succession is the process that describes how the structure of a biological community (that is, an interacting group of various species in a desert, forest, grassland, marine environment, and so on) changes over time.

Explanation:

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3 years ago

The ______ and the ______ support the immune system by forming an important barrier against invading microorganisms.

serg [7]

The first line of barrier that support the immune system by the invading microorganisms is formed by the skin and the mucous membrane.

<h2 /><h3>What is immune system?</h3>

A network of biological processes called the immune system guards an organism against disease.

<h3>How do skin and mucous membrane support the immune system?</h3>

The skin acts as the first line of defense and has specialized immune cells that help prevent the microorganisms from entering the body.

The mucous membrane which is more sensitive and lines up the internal organs of the body can sense and eliminate the microorganisms thus helping the immune system.

Learn more about the immune system with the help of the given link:

brainly.com/question/13257880

#SPJ4

7 0

2 years ago

Consider a locus with two alleles - A and a. These alleles are codominant, meaning that the fitness of the heterozygote is halfw

bearhunter [10]

Answer:

Question 1.

The mean relative fitness is 0.85

Question 2.

The expected allele frequency change of A, p = 0.63: AA, p2 =0.63 x 0.63 = 0.39.

Explanation:

Mean relative fitness is given as

p2W(AA) + 2pqW(Aa) + q2W(aa).

Where W(AA)= 1.00, W(Aa) = 0.80, W(aa) = 0.60

Firstly, find p2, 2pq, q2 which are the frequencies of AA, Aa and aa respectively.

AA= 500,Aa=250 ,aa=250. Total is 1000

Frequency of A, p=

250/2)+500= 625.

625/1000= 0.625.

Therefore A, p is 0.625

p2 = 0.625x0.625= 0.39

For q, since p+q =1

q= 1 - 0.625 = 0.375

q2= 0.375x0.375=0.14.

2pq= 2x0.625x0.375= 0.47.

Mean relative fitness is

p2W(AA) + 2pqW(Aa) + q2W(aa).

0.39x1+ (0.47x0.80) + (0.14x0.60)=0.85.

Question 2.

From Hardy-Weinberg equilibrium

F = p2 + 2pq + q2.

Frequency of A, p= 0.625 and AA, p2 is 0.625 x 0. 0625= 0.39.

3 0

3 years ago