Which category contains the majority of stars?

A population of rabbits is separated by a mountain range. Which of the following is most likely to occur?

Look at the ocean system described below. plankton - - - > sardines - - - > swordfish - - - > shark What will most likely happen to this ecosystem if the swordfish are killed by a virus? A. The shark population will decrease. B.

An organism is classified as a decomposer. Is it a autotroph or a heterotroph?

Which of the following statements is true about the cycling of oxygen in a pond ecosystem?

Maria's mother was deported six months ago, and she is staying with a cousin. She has to share a room with three other children and is very discouraged. She has little energy to do much of anything, and she cries a lot.

Which of following cells don't play endocrine Role a. interstitial cells. B. follicle cells. c. germinal epithelium cells. D. leutal cells

The Permian-Triassic extinction 250 million years ago wiped out about ninety percent of Earth's animal species. Some scientists are predicting a sixth mass extinction in the future, due to A) acid rain. B) air pollution. C) global warming.

Which cell organelles function resembles the function of the brain in higher animals

92 Sathe best for the question 11. Most animals and plants reproduce sexually. This means that DNA is passed down to new organisms from two parental organisms. Which of the following is a key advantage of sexual reproduction?

Which symptom is not associated with vitamin b deficiency?