Which biomes receive less than 100 cm of rain each year? Check all that apply. tropical rain forest temperate rain forest desert tundra grassland

Which is the first step in the scientific method

What part of the body produces ADH and oxytocin?

Two black mice are mated several times. They have produced 23 black and 8 white offspring. What can you say about the parents? a) both are pure black b) both are hybrid c) one is pure; the other is hybrid d) you can't make a conclusion

A biomass pyramid differs by showing the __ at each trophic level. A) numbers of organisms B) weight of organisms C) mass of elements D) mass of organic matter

What two properties are used to calculate kinetic energy? gravity and mass mass and velocity mass and volume velocity and gravity

A microscope has a 20x ocular (eyepiece) and two objectives, low power is 10 x and the high power is 43x

Which of these processes involve separation of grains? A) Tilling B) burrowing action of earthworm C) Levelling D) Both a nd b

Why are capillaries and not arteries or veins found in alveoli?

After a natural disaster such as a hurricane or tornado, what will happen in the damaged ecosystem? A) Nothing; it will remain uninhabited. B) A new, different ecosystem will evolve. C) An ecosystem like the previous one will be re-established.

Based on the information in the chart, during which eon would you expect to find fossil evidence about the evolution of insects? A) Phanerozoic B) Proterozoic C) Archean D) pre-Archean