An organism's trophic level refers to the food chain position that it occupies. Producers always occupy the Trophy level 1, Primary Consumer occupies the Trophy level 2, Secondary Consumer has the Trophy level 3 and the Tertiary level fills in the Trophy level 4.
Answer:Option A
Explanation: The snail breaths in the O2 which will then exhale CO2, therefore the plant will take that and process the CO2 back into O2.
The organs listed above are all part of the excretory system except for the spleen and the <span>esophagus.
</span><span>The kidneys act to filter our blood, and remove wastes, which eventually pass out of us through urine,
The bladder acts to collect and store urine until it can be emptied through urination.
The ureter runs from the kidneys to the bladder whereas the urethra runs from the bladder to exit the body.</span>
Answer:
decreases
Explanation:
any decrease in the population can lead to a signal of extinction
any increase is result of rapid growth
