What is an organism's niche? a. the physical environment of the organism b. the role that an organism plays in c. the environment the traits that increase an organism's survival o d. the competitors and predators of the organism

Ineed the definitions of all of these words nasap i will give 1o points to whoever awnsers

Football players often sustain lateral blows to the extended knee. which of the ligaments is (are) damaged as a result? a. suprapatellar b. oblique popliteal and extracapsular ligament c. medial collateral, medial meniscus, and anterior cruciate d. arcuate popliteal and the posterior cruciate

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above