The flow of energy through an ecosystem can be depicted in a food web. What organism forms the base of the open ocean food web? A. algae B. whales C. fish D. shrimp

Describe the differences you see in the three types of muscle tissues hbs

A virus is a complete cell is only sometimes parasitic is not a true living cell can only infect plant cells

The combined alleles of all the individuals in a population are called the?

Which of the following organisms does NOT have a cell wall? a: ferns b: roses c: portabella mushroom d: giraffe

Porque fue tan importante que jovenes universitarios franceses se rebelaron contra el imperialismo y la guerra de vietnam

Egg laying land animals have evolved to produce eggs with tough shells to ensure that

Which of the following statements describes a proton of an atom? A has a negative charge and is located in the nucleus. B has no charge and is located in the nucleus C has a positive charge and is located in outer energy levels.

What are reasons scientists use models? To study objects far away To study objects too large To study objects too small. To study objects easily found in a lab. To study events that take place over long periods of time.

1. true false Carbon atoms form the building blocks of most living things.

Inhibiting enzymes involved in cell wall synthesis leads to which of the following? A) cell death by osmotic lysisB) a reduction in protein synthesisC) the incomplete synthesis of the bacterial cell wallD) a reduction in the amount of usable energy