What is a consequence of decreased blood flow to the brain?

The 'filtering factories' of the excretory system are called ___. a. rectum. b. alveoli. c. nephrons. d. bronchi.

During anaphase, fibres pull the chromosomes towards structures on opposite sides of the cell. What are these structures called?

Which statement accurately describes radioactive dating? Geologists use only one type of radioactive dating. Geologists compare parent and daughter elements to determine rock type.

Most animals can survive without food for a longer time than they survive without water. Why is water so important to animals? Why can an animal survive without food for longer?

Water moves between the ocean, atmosphere, and land. In which form does water enter the atmosphere?

Which of these is responsible for carrying a specific amino acid into place? A) dna B) mrna C) tRNA D) ribosome

Explain how the color of the moth increases or decreases their chances of survival.

Explain why the percentage of resistant bacteria increased over time.

A new flower species has a unique photosynthetic pigment. the leaves of this plant appear to be blue-green.

Which of these organisms is not an omnivore? A herring B shrimp C blue whale D killer whale