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3 years ago

5. What would our planet be like without plants?

Biology

2 answers:

lions [1.4K]3 years ago

8 0

Answer:

we would die plants give us oxgen fruits and vegtebales . trees for example we need wood and there leaf to make doors and paper

Explanation:

Likurg_2 [28]3 years ago

6 0

If the planet didn’t have plants, we would be lacking in fruits and vegetables. We probably wouldn’t be too healthy. We would also be lacking in oxygen as things like trees give us oxygen. The trees also enable people to make doors and even paper. If we didn’t have trees, we probably would struggle with getting privacy since (doors) allow us to keep a boundary from people you wouldn’t want to go in (say like in your bedroom or home even.)

I hope this makes some sense

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In garden peas, long stems are dominant to short stems, and yellow seeds are dominants to green seeds, too long/yellow pea plant

Lera25 [3.4K]

Answer:

A) 300

B) 3:1

C) 9 long yellow : 3 long green : 3 short yellow : 1 short green

Explanation:

Long stems (L_) are dominant to short stems (ll)

Yellow seeds (Y_) are dominant to green seeds (yy)

We interbred pea plants with long stems and yellow seeds (L_Y_), but they had a short green parent (llyy) that could have only produced ly gametes, so our plants are heterozygous LlYy.

C) We interbred them LlYy x LlYy. If the two genes are unlinked, this is a typical dihybrid cross and from Mendel's law of independent assortment we know that the offspring will have the following phenotypic ratios:

9/16 L_Y_ (Long, yellow)
3/16 L_yy (Long, green)
3/16 llY_ (short, yellow)
1/16 llyy (short, green)

A) 3/16 × 1600 = 300 plants will be long and green.

9/16 + 3/16 = 12/16= 3/4 plants will be yellow;

3/16 + 1/16 = 4/16= 1/4 plants will be green.

The ratio will be 3 yellow : 1 green

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3 years ago

The major function(s) of the digestive system are:

weqwewe [10]

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2 years ago

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Leto [7]

Answer:

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Explanation:

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3 years ago

5. What would our planet be like without plants?​

5. What would our planet be like without plants?