What basic functions must animals do to stay alive?
a. reproduce
b. collect and rid of oxygen and nutrients
c. take in and distribute wastes
d. gather and respond to stimuli

Crossing over is a method of (blank)?

There are two tomato plantlets one of them is kept in an oxygen chamber with a light source and another is kept in sunlight. both of them are watered regularly what will be the observation after two weeks

The biological classification of organisms is called taxonomy. based on your own investigation, discuss the importance of taxonomy in biological ?