Carbon tends to form four bonds. What kind of bonds are they?

O A. Covalent

O B. Ionic

O C. Hydrogen

O D. Metallic

What conclusion does the fossil record support? A. Species have changed over time. B. Traits acquired during a lifetime are passed to offspring. C. Earth's organisms have not changed over time. D.

What is the relationship between cell division and growth?

What change must have occurred during the evolution from invertebrate chordates to vertebrate chordates

Which of these endocrine glands is located just above a kidney?

All the different wavelengths and frequencies of electromagnetic radiation make up what is called the radiation table. True False

Which of the following organisms causes malaria? Anopheles mosquitoes Rats Flies Protozoan

A student recieved a flu shot in the fall. During the flu season the student caught a cold. The most likely reason the vaccine he recieved did not prevent the cold was that

What do the moss life cycle and the fern life cycle have in common? A) Double fertilization produces a 3n cell B) Seeds are protected and nourished by a fruit C) The zygote is the first cell of the gametophyte phase D) Fertilization produces a

Which metabolic defects are associated with stone formation? hyperparathyroidism hypouricemia hyperthyroidism hypoparathyroidism?

Breathing, heart beating, and food digestion are examples of activities using what type of muscle? A. Voluntary B. Cardiac C. Smooth D. Involuntary