Describe the major advantages and disadvantages of asexual and sexual reproduction.

The energy used by living organisms on earth comes from a. the sun. b. the oceans. c. volcanoes. d. fossil fuels.

Scientists organize all the known elements into a chart called the:

What are genetics meant for

Why did Mendel use pea plants in his experiments? O A. They are haploid organisms. O B. They have no dominant traits. O C. They produce many offspring. O D. They are all male.

A diploid organism has a total of 36 chromosomes. assuming all possible chromosome combinations are viable, if a mutant tetraploid version of this organism was created how many chromosomes would it have?

What is the theory on how cells came to have mitochondria.

Which of the following lists fits the order of these three descriptions: Age of Mammals, Age of Dinosaurs, and longest geologic time period. Choose one: A. Mesozoic, Cenozoic, Paleozoic B. Cenozoic, Mesozoic, Precambrian C.

The hypothalamus gland is important in many feedback loops. Which of the following systems does the hypothalamus work in? Check all that apply. A. endocrine B. nervous C. integumentary D. circulatory

Which scientist is matched with his contribution to evolutionary theory? Jean-Baptiste Lamarck-population growth Charles Darwin-inheritance of acquired traits Thomas Malthus-relationship of all living things Erasmus Darwin-competition and sexual

What is the minimum mean body mass required for metamorphosis if a tadpole to occur