Questions in Biology

Where are the three large clusters of superficial lymph nodes?

The single greatest threat to biological diversity is: A. the introduction of foreign species. B. air pollution. C. overexploitation. D. habitat loss. E. water pollution.

If the dorsal root of a spinal nerve is severed, A) output to skeletal muscles would be blocked. B) output to visceral organs would be blocked. C) the spinal cord …

What is the role of precipitation in the water cycle

This is the interaction of two organisms where both benefit.

Which of the following shows the correct order of hierarchy from largest to smallest? A. Biosphere, biome, population, community, ecosystem, species B. Biosphere, biome, ecosystem, population, community, species C. Biosphere, …

How does energy change from one form to another?

The purpose of the pediatric assessment triangle (PAT) is to: Select one: a. gather critical data by performing a rapid hands-on assessment of the child. b. determine if the child's …

What determines the code, or information, of a DNA molecule? A - the structure of nitrogen bases B- the color of nitrogen bases C- The sequence (order) of nitrogen bases …

1 What is the difference between a habitat and a community?

How many phosphate groups are in one molecule of atp?

Which of the following statements regarding membrane transport is false? Specific proteins are needed to transport polar and charged solutes effectively across cell membranes. Sugars are always transported by active …

Which human activity directly affects the quality of freshwater resources

Amino acids are joined together by which kind of bond?

Given that the function of egg yolk is to nourish and support the developing chick, explain why egg yolks are so high in fat, protein, and cholesterol.

What is the process by which bacteria convert nitrogen gas in the air to ammonia and nitrates which can then be used by plants?

Which is the best hypothesis for the scientific question “How does light intensity affect the rate of photosynthesis?” Light intensity, CO2 concentration, and temperature are factors that determine the rate …

List and describe the three main functions of the digestive system

In what order do the stages of prenatal development occur?