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lions [1.4K]
3 years ago
15

as compared with the production of egg cells, sperm cell production A) involves a jellylike outer covering b) occurs at a slower

rate c) begings earlier in life d)begins later in life
Biology
1 answer:
Bingel [31]3 years ago
4 0

The correct answer is:  d) begins later in life

Eggs or female reproductive cells are formed well before birth in a huge number (primordial oocytes). But, the number of oocyte decreases after birth constantly (there are 2 million oocytes at birth and 40,000 of them in puberty). At menopause, no egg cells are left.

On the other hand, the first sperms are formed only from puberty, but the production of those cells never stops.

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Diffusion is an important process in animals and plants.
Paraphin [41]

Answer:

Diffusion helps animals in respiration. The cells in an animal's body need glucose and oxygen for respiration. Both these are carried in the blood. When blood reaches the cells the molecules of glucose and oxygen diffuse out of the blood and into the cells. As cells use up the glucose and oxygen they produce waste chemicals and carbon dioxide.

Diffusion is a very important process for photosynthesis where carbon dioxide from the stomata diffuses into the leaves and finally into the cells. This helps the plants to photosynthesize and produce more food.

Example for animals: Animals using glucose and oxygen in diffusion.

Examples for plants: Plants using carbon dioxide to photosynthesize.

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3 years ago
WHAT IS CELLULAR COMPONENTS CHARACTERISATION ​
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