What provides an explanation for the presence of mitochondria and chloroplasts in present day cells?

4. How are food webs different to Tood webs different to food chains? Explain why food webs are more useful.

Under which of the below conditions will natural selection be least likely to result in adaptation? a. Low genetic diversity b. Low species diversity c. Low ecosystem diversity d. High species diversity

In which disorder might a patient demand to be the center of attention, with an exaggerated sense of self-worth and importance, but without having psychosis or mania?

Is there a resevior that serve only to takein carbon dioxide? explain in your own word

Scientists hypothesize that there are no dinosaurs alive today because

Since the llamas will not sell well with malformed feet, you decide to select the herd against this defect.

Flattened membranes that package cellular substances for export are called

Which type of mindset do you have if you have high self-efficacy? Question 9 options: a fixed mindset a growth mindset

Enzymes work best at?

Which technique is used to separate the different cell parts?