Diatoms have a cell wall made of two halves called

valves.

nuclei.

thylakoids.

none of the above

How is erosion different than weathering? What are the different types of water erosion? What factors contribute to the rate of water erosion?

What are three adaptations that humans have for deferential fecundity?

What causes an iconic bond

You are studying meiosis in an organism where 2n = 28. how many chromosomes will be present in each cell after meiosis i is complete but before meiosis ii begins?

Is a paramecium a prokaryotic or eukaryotic organism? explain

She is the northern hemisphere tilted toward the sun?

Describe how the ocean plays a role in stabilizing Earth's weather conditions

Q: A: Which numbered organelle produces ATP during cell respiration

From earliest to most recent, what is the correct order in which organisms appear in the fossil record? a. dinosaurs, invertebrates, reptiles, mammals b. invertebrates, amphibians, dinosaurs, mammals c.

Is it possible for technological advancements to have both positive and negative effects on the world