I would believe the correct responses would be option 1,2,4.
Answer
Option C - Skeletal Muscles
Explanation
Antagonistic pairs are the muscles that are functionally opposite, if one produces flexion, then the other's primary action is an extension. Skeletal muscles work in pairs to move a bone so that the muscles can function properly. They contract the bone making nerves deliver a message to the brain. For example. Biceps and triceps. The lower arm is moved upwards when the biceps muscle contracts and the triceps muscle is relaxed and vice versa.
Answer:
B
Explanation:
A resource population is any part of the environment that can be used to meet another organism's needs. The first population acts as this because the second population is surviving by eating the first.
