Answer:
Sex chromosomes
Explanation:
Sex chromosomes affect your gender through X and Y
Answer: A!
Explanation: All biological organisms play a part in the earth's ecosystem, but consumers get energy from eating other organisms and producers make energy on their own. Grass is a producer, a self-sustaining organism that obtains its energy from the sun. In the process, it introduces new organic substances into the food chain and plays a key role for consumers. Grass forms the basis of the food chain because of this ability.
Answer:
Macroevolutionists cannot make direct observations because most of the organisms are dead or extinct.
Explanation:
only true one
