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Fantom [35]
2 years ago
5

What do earthworms exchange during mating

Biology
1 answer:
weqwewe [10]2 years ago
4 0
During mating, two worms line up inverted from each other so sperm can be exchanged.
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Chrysanthemums are short-day plants that normally flower in late fall. Suppose you were a chrysanthemum grower and you would lik
Whitepunk [10]

Answer:

Option D

Explanation:

Options for the question

A)import seeds produced in the southern hemisphere.

B)plant the flowers out-of doors in november.

C)keep the plants in a warm growing environment.

D)expose the plants to an hour of light in the middle of each night until the end of april.

Solution

Since Chrysanthemum is a short-day plant, its flower mainly develop during night and hence they require long nights of 11 to 12 hours. Blackout system is sometimes used to induce flowering.Flowering can be delayed by regulating both light and temperature. this is done by exposing plants for a short period of time to light (can be artificial) and to some source of heat that produces 85° F or higher temperature.  

Thus if flowers are required in month of may, flowering can be delayed by exposing Chrysanthemums plant to light and heat source during night time

Option D is correct

6 0
3 years ago
Identify the stages of mitosis .
Alexxandr [17]

Mitosis has five different stages: interphase, prophase, metaphase, anaphase and telophase. The process of cell division is only complete after cytokinesis, which takes place during anaphase and telophase. Each stage of mitosis is necessary for cell replication and division.

3 0
3 years ago
Which of these has a warming effect on Earth? O A. More evaporation of water due to warmer temperatures causes low, thick clouds
Phoenix [80]

Answer:

A

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Thick clouds can trap lots of heat. This has a warming effect on earth.

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Marrrta [24]

Rosalind Franklin. is the answer

5 0
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Which of the following correctly lists functions of<br> proteins?
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Explanation:

The correct answer is providing structure, regulating cell processes and creating movement

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