What element do all organic compounds contain?

Carbon

Hydrogen

Nitogen

Oxygen

Why would an ecosystem be unable to sustain an increase in carnivores? A There is not enough prey. B The carnivores now have more space. C Plant growth increases. D It is a marine ecosystem.

What is Club fungus?

Two atoms with an electronegativity difference of 2.1, will form a bond that is: ionic, because electrons are shared. ionic, because electrons are transferred. covalent, because electrons are shared. covalent, because electrons are transferred.

Which feature of capillaries distinguishes them from arteries and veins? Narrow diameter Valves to prevent backflow Thick muscular walls Elastic tissue

Which of the following is NOT true of adaptation? adaptations account for why organisms are suited to their way of life adaptations account for why organisms can escape predators natural selection causes adaptive traits to be increasingly

Describe three approaches used to slow down the rate of extinction

What are the major consumers of fossil fuels?

How are the heads of vultures adapted to what they eat?

If there is a large amount of lactose present, how does bacteria respond? A. the gene for beta-galactosidase turns off B. beta galactosidase production increases C. The gene for beta-galactosidase turns on D. Lactose is produced

What is a controlled experiment? A. An experiment that uses carefully controlled conditions B. An experiment that is performed inside C. An experiment that has no manipulated variable D. An experiment that is controlled by a company