there are approximately 200different type of cells in the human body. all cells are dependent on other cells to perform body function

Illustrate the flow of energy through a simple food chain that ends with lion as the final consumer

Which of the following is something you should do after severe weather occurs? clean up flood waters keep away from windows create a family safety plan invite friends over to see the damages

1. Certain species of fish are unsafe to consume in high quantities because these fish A. ingest other fish that are poisonous to humans. B. contain vitamins that aren't water-soluble and can cause toxicity. C. are endangered species. D.

What are compounds composed of carbon, hydrogen, and oxygen

Elastic connective tissue is found in all of the following locations except a. lungs b. brain c. blood vessels d. hollow organs The type of specialized connective tissue found in parts of the nose is a. fibrocartilage b. elastic cartilage c.

Which cell organelle directs all the cells activities and is commonly associated as the brains of the cell

Which of the following cells or tissues arise from lateral meristem activity? a. leaves b. secondary xylem c. tubers d. trichomes

two students are discussing natural selection in bacteria and how it can relate to antibiotic resistance in bacteria

According to the fossil record, how long did the transition from fully terrestrial to fully aquatic whales take?

Damage to which of the following structures would most likely result in an increase in mutations in a man's sperm cells A. Epididymis b. testes c. urethra d. scrotum