An enzyme is a protein molecule in cells which works as a biological catalyst. *brainliest pls*
Answer: Abiotic factor for polar: Ice
Abiotic for desert: Sand
Biotic for polar: Polar bears
Biotic for desert: Cacti
The types of factors are different because there are different set conditions for each ecosystem. A cactus is built for it's hot, dry ecosystem. If it were to move to a polar ecosystem it would not survive there. Same for the polar bear. It's built for polar regions. It has white fur to blend with the white ice to help it blend in and it's adapted to swim to get it's food source.
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d. None of the above
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Fitness -
Fitness is to carry out day to day tasks with alertness and vigor , without any of fatigue , along with the energy , to respond to emergencies and to enjoy leisure-time pursuits.
Advantages of Fitness -
- avoid diseases by fitness .
- muscle strength increases .
- stabilizes the balance of the life .
- increases the body alertness and speed .
Answer:
Most frogs see well only at a distance, but they have excellent night vision and are very sensitive to movement.This peripheral vision helps them spot predators and prey. Humans and other mammals focus images by changing the shape of the lens. Like a camera lens, frog eyes focus by moving the lens back and forth.
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They are rovers that are made to study Mars. For example, they can analyze the martian soil.
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