Write a Hypothesis The depth of the water may affect the colour of fish.
Bacterial growth may be affected by temperature.
Ultra violet (UV) light may cause skin cancer.
Temperature may cause leaves to change colour.

Why is the sun so strong?

Explanation:

47

explanation:

ok

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.