Download 1) What is a biochemical cycle? 2) Oxygen is released as a waste

1) What is a biochemical cycle?
2) Oxygen is released as a waste product by plants during the process of
Animals takes in this oxygen and release it as
during the process of
3) In the carbon cycle, plants use energy from the Sun to convert
from the air
into organic material that becomes a part of the plant’s structure.
4) Carbon is released to the atmosphere as carbon dioxide when you breathe after cellular respiration or
through the
5)
of dead organisms.
or the burning of fossil fuels, also adds carbon dioxide to the atmosphere
6) Why is nitrogen so important (what is it used for)?
7) What are two ways in which nitrogen can be “fixed”? What are the results of fixing nitrogen?
8) In the carbon cycle, in what process does carbon move from an abiotic resource into organic matter?
A) Immigration
B) Combustion
C) Respiration
D) Photosynthesis.
9) What cycles through the environment in the hydrologic cycle?
A) carbon
water
oxygen
nitrogen
10) Use the clues to solve the puzzle:
Across
1. A diagram that compares energy use among
trophic levels
3. Level of nourishment in a food chain
6. Movement of a particular chemical through
the living and nonliving parts of an ecosystem
7. All of the organisms as well as the abiotic
factors in a given area
8. The variety of living things in an ecosystem
10. A major regional or global community of
organisms
Down
2. The process by which gaseous nitrogen is
converted into ammonia
4. Detritivore that breaks down organic matter
into simpler compounds
5. A consumer that primarily eats one specific
organism
6. The measure of the total dry mass of
organisms in a given area
9. The study of the interactions among living
things, and between living things and their
surroundings