In the ecosystem shown here, what represents a producer? A) air B) a tree C) a giraffe D) a mountain

Which of the following statements about encoding is incorrect? a. Encoding involves a single set of neurotransmitters located in the prefrontal cortex. b. Encoding involves the input of information into the memory system. c.

Question 2 Which of the following characteristics can be used to classify an organism into a taxonomic domain?

Small, uncharged substances enter and leave the cell membrane through the process of

Which characteristic do Mercury and Mars share? many moons rocky surfaces thick atmospheres moderate temperature fluctuations

Describe 2 limitations and 2 benefits of using a model in science

Dna stands for what in biology

Coal is used to produce energy. The harmful gases produced by coal are cleaned up by a method which needs a large amount of limestone. Predict and explain the long term effect on the environment of obtaining and using limestone.

True or false two genes may not segregate independently if they are on the same chromosmoe

Blood pressure rises and falls in a pattern corresponding to the phases of the

Immune system cells enter a resting phase after undergoing mitosis. when activated-for example, by an infection-they can reenter the sequence of events in the cell cycle that leads to cell division.