Answer:
Cactus (3) Producer
1st tropic level (1) Consumer
Eats dead organisms and further breaks them down (2) Decomposer
Dogs and Cats (4) Scavenger
I believe these are all correct after looking them up, if they are wrong please tell me and I can edit it if possible. If you would like explanations for any of them jlmk. Please mark BRAINLIEST if correct! Have a blessed day/night!
Heat is considered as a water pollutant because it decreases the capacity of water to dissolve oxygen, and it increases the rate of metabolism fish. Valuable species of game fish cannot survive in water with very low levels of dissolved oxygen.
Answer: endocrine glands release chemicals into the bloodstream
Explanation: GradPoint
The answer is C genetic variation
