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3 years ago

What is Abiotic and Biotic ?

Biology

1 answer:

Katyanochek1 [597]3 years ago

4 0

Answer:

abiotic factors refer to non-living physical and chemical elements in the ecosystem like water, air and sunlight.

biotic factors are living ot once-living organisms in the ecosystem like humans and animals

basically biotic is alive and abiotic is not alive

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How are the reproductive cycles of a fungus and a pteridophyte similar?

zubka84 [21]

Answer: In diploid stage the two spores fuse together to form a prothallus which is a diploid stage. Hence, the similarity in the reproductive cycle of fungus and a pteridophyte is that both organisms produce haploid spores and exhibit diploid and haploid stages

Explanation:

7 0

3 years ago

The NADPH generated by the pentose phosphate pathway primarily serves as a

Igoryamba

Answer:

Option-A

Explanation:

Pentose phosphate pathway is the alternative pathway taking place in both eukaryotes and prokaryotes parallel to the glycolysis.

The pentose phosphate pathway forms the electron carriers called NADPH and the ribose-5 phosphate.

The NADPH is formed in large amounts through this pathway which contains a very high amount of energy. NADPH can donate its hydride ions, therefore, it can be involved in the reaction where it can donate energy in the form of hydrogen and electron.

The NADPH is therefore involved in the formation of reducing biosynthetic pathways like fatty acid synthesis, cholesterol synthesis, and bile acid synthesis.

Thus, Option-A is the correct answer.

8 0

3 years ago

What is the nuclear charge of this ion?

saw5 [17]

nuclear charge is always positive, because there are only protons in the nucleus, and protons are always positive.

But this is in general, because you have not mentioned the ion name.

3 0

3 years ago

Which of the following is one way that the circulatory system helps maintain body temperature?

Sveta_85 [38]

The answer is B. controlling the flow of blood to the skin

7 0

3 years ago

PLS SOMEONE I NEED HELP I WILL GIVE POIHTS AND I WILL MARK BRAINLIEST I WILL DO ANYTHING JUST PLS SOMEONE ANSWER ALL OF THIS I N

lukranit [14]

1. a) father (Rr), mother (rr)

b) from the attached file(1)

c) the possible genotypes are

Rr - 50%
rr - 50%

d) but from the information given above the only possible genotype for SpongeGerdy is Rr, because we were told that she was squarepants

e) Rr

f) from the attached file(2)

g) the possible genotypes are

RR - 25%
Rr - 50%
rr - 25%

h) the genotypes for squarepants are RR and Rr

therefore probability is (25 + 50)% = 75% or 3/4

i) the only genotype for roundpants is rr

therefore probability is 25% or 1/4

2. a) wilba - Ee , wilbur -EE

b) from the attached file(3)

c) the possible genotypes are

EE - 50%
Ee - 50%

d) the genotypes for round eye are EE and Ee

therefore probability is (50 + 50)% = 100% or 1

e) the only genotype for oval eye is ee

therefore probability is 0

3. a) squidward - BB . squidette - bb

b) from the attached file(4)

c) the only possible gene is Bb - 100% or 1

d) the genotypes for a light blue skin are BB and Bb

therefore probability is (0 + 100)% = 100% or 1

e) the only genotype for a light green skin is bb

therefore probability is 0

f) No, they are not. this is because they are heterozygous i.e.( they carry gene for a light green skin)

g) from the attached file(5)

h) the possible genotypes are

BB - 25%
Bb - 50%
bb - 25%

i) the genotypes for a light blue skin are BB and Bb

therefore probability is (25 + 50)% = 75% or 3/4

j) the only genotype for a light green skin is bb

therefore probability is 25% or 1/4

4 0

3 years ago