Which is a predator/prey relationship found in a freshwater ecosystem?

A. heron/fish

B. shark/crab

C. tiger/gazelle

How lysozyme produced?

Which animal group do spiders belong to?

A scientist is observing a eukarotic cell and a prokaryotic cell. Which structure could she only observe in the eukaryotic cell? cytoplasm DNA ribosomes a nucleus Mark this and return Save and Exit Nord SD

The following are base units used in the metric system, which is used for the standard in mass? meter liter kilogram gram

Which mission will study a moon of Jupiter in the future? A. ExoMars B. Europa Clipper C. InSight D. MIRI

Charles darwin developed the theory that explains how new species develop based on evidence from many different kinds of scientific inquiry. darwin's theory can only be accurate if the earth is very old.

What happens when an object has an equal amount of positive and negative charges?

Soil at the shore of Lake Erie in Pennsylvania has a high sand and gravel content. Which of the following is a characteristic of this type of soil?

Which is the term for numbers that appear in the chemical formula of some compounds

Select all choices that apply. Which of the following statements apply to the New Kingdom? Choose all answers that are correct. A. Papyrus first used as a writing material. B. King Tut becomes pharaoh. C. Akenaten attempts to revolutionize religion.