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never [62]
3 years ago
10

Which statement about green plants is true?

Biology
1 answer:
Llana [10]3 years ago
5 0

Answer:

Green plants are responsible for oxygen in the atmosphere.

Explanation:

-Green plants undertake a process of photosynthesis, in which they use energy from the sun, carbon dioxide and water to form simple sugars and also release oxygen to the atmosphere. The simple sugars from the process may be used by the cells for energy or be stored in form of energy for future use.

-Oxygen is a product of photosynthesis which is released to the atmosphere.

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) Consider a pea plant- it has a gene controlling seed color- yellow Vs green; another gene controlling seed texture-smooth Vs w
lana [24]

Answer:

Yellow smooth  - 9

Yellow wrinkle - 3

Green smooth- 3

Green Wrinkle - 1

Explanation:

Let the green color of the seed be depicted by "G" and the yellow color of the seed be depicted by "g"

Let the smooth the seed be depicted by "R" and wrinkled seed be depicted by "r"

F1 cross -  

true breeding smooth green plant ( RRGG) and true breeding wrinkled yellow (rrgg)

F1 gamete will be RG, RG, rg, rg

F1 offspring will be RrGg , Thus all F1 offspring will be heterozygous smooth and yellow.  

Thus,  R is dominant over r and g is dominant over G

F2 Generation –  

RrGg x RrGg

Gametes will be RG, Rg, rG, rg

RG         Rg          rG           rg

RG RRGG RRGg RrGG RrGg

Rg RRGg RRgg RrGg Rrgg

rG RrGG RrGg rrGG rrGg

rg RrGg Rrgg rrGg rrgg

R is dominant over r and g is dominant over G

Genotypes are –  

RRGG - 1  (Smooth Green)

RRGg-2  (Smooth yellow)

RrGG-2  (Smooth Green)

RrGg-4  (Smooth yellow)

RRgg- 1  (smooth yellow)

Rrgg – 2  (Smooth yellow)

rrGG – 1  (wrinkled Green)

rrGg – 2  (Wrinkled yellow)

rrgg – 1  (wrinkled yellow)

Yellow smooth  - 9

Yellow wrinkle - 3

Green smooth- 3

Green Wrinkle - 1

4 0
3 years ago
What relationship between both an abiotic and a biotic factor in a ecosystem?
likoan [24]

Answer:

Abiotic factors are all of the non-living things in an ecosystem. Both biotic and abiotic factors are related to each other in an ecosystem, and if one factor is changed or removed, it can affect the entire ecosystem. Abiotic factors are especially important because they directly affect how organisms survive.

3 0
3 years ago
Read 2 more answers
What supports the external ear?
mezya [45]
Hard, dense bone tissue that is beneath the outer membrane of bone <span />
5 0
3 years ago
part 2: crossing beak color and feather color. 1. cross one parent that is heterozygous for both beak and feather color with a p
Vsevolod [243]

(Score for Question 2: ____ of 2 points)

2. Which offspring are the recombinant offspring in this cross?

Answer:

The recombinant offspring in this cross are Yybb and yyBb

(Score for Question 3: ___of 2 points)

3. How far apart are Y and B?

Answer:

Y and B are 16 map units apart

7 0
3 years ago
What happens if a defendant is acquitted
Yuliya22 [10]
A verdict of not guilty constitutes an acquittal. In other words, to find a defendant not guilty is to acquit. At trial, an acquittal occurs when the jury (or the judge if it's a judge trial) determines that the prosecution hasn't proved the defendant guilty beyond a reasonable doubt
5 0
3 years ago
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