List the different levels of an organisms organization from a cell up:

Which of the following is NOT a characteristic of pioneer species? a. they are small b. they grow quickly c. they reproduce slowly d. the disperse many seeds

Why are orbits curved

Which two of these are greenhouse gases that contribute to global warming Water nitrogen oxygen carbon dioxide

Are insects intermediate host or definitive host? Are there any symptoms of gongylonemiasis? If the insects are the definitive host, would we see any clinical signs?

Describe the various defense mechanisms your body has to fight pathogens, nonspecific and specific. How does not washing your hands properly affect these mechanisms?

In a population, when the birthrate becomes higher than the death rate, the population's growth rate A) decreases. B) increases. C) slows to a stop. Eliminate D) levels off and remains constant.

In spermatophytes, the plant embryo is encased in a seed. True False

Which statement best explains why the level of ATP in skeletal muscles changes during exercise? Adenosine and phosphate in ATP are destroyed by the muscles. Waste ATP accumulates in the blood stream rather than in the muscles.

How many braincells do I have?

Which of the following is not being undertaken to reduce the risks to human health from pesticides?