Which interaction is most likely to result in the most competitive among the organisms?
1. Sagebrush and cacti obtain light in the desert.
2. Producers and scavengers eat deer carcasses.
3. Grasshoppers and caterpillars eat oak leaves.
4. Lions and vultures eat the remains left after a lion kill.

What are chlorofluorocarbons made of

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.