Do open oceans have unlimited nitrogen, rich in silica and iron, or are nutrient-poor environments

Did either the rabbit or fox population show evidence of immigration or emigration? explain?

During the early stages of embryo development, dolphins have gill pouches. What does this mean? a. Dolphins evolved from fish. b. Fish evolved from dolphins. c. Dolphin embryos go through a fish phase during development. d.

Bone fractures in which the bone protrudes through the skin are called (A) greenstick fractures. (B) compound fractures (C) simple fractures. (D) stress fractures.

You have two types of bread, three types of meat, and two types of cheese. How many different sandwiches can you make if each sandwich has one type of bread, one type of meat, and one type of cheese?

Two or more drugs taken at the same time may cause a reaction called:

A child who enters puberty several years later than the average age is generally taller than average as an adult. why?

Which best describes homeostasis? A) Specialized cells work independently to perform their specific functions. B) Specialized cells work only as a team to perform the functions of the body.

Write 2 paragraphs on the differences and similarities of a plant cell and an animal cell

Which of the following is a carbohydrate? a. ATP b. steroid c. wax d. sucrose

16. What is osteoporosis? How can it affect bones? Why is calcium important to bones?