Answer:
Biodiversity boosts ecosystem productivity where each species, no matter how small, all have an important role to play. For example, A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all life forms. It keeps the "balance" in nature.
Explanation:
Answer:
The levels, from smallest to largest, are: molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.
Explanation:
Answer:
Cellulose is the main substance found in plant cell walls and helps the plant to remain stiff and strong
Explanation:
Answer:
The second one is correct
Explanation:
A leukocyte is responsible for the immune system
