An experiment is run with dry paper versus dry paper with sugar. what is the experimental variable?

What do you call a forest that is going through secondary ecological succession? A. A second-growth forest B. A tree farm C. A tree plantation D. An old-growth forest

A population of wolves migrates north in search of food. as the wolves travel, they enter a region that has long, snowy winters. some of the wolves have an allele that gives them white coats. this makes them better able to sneak up on prey.

How might nutrition and exercise influence whether or not an individual develops a disease for which they have an inherited higher risk?

Children with this condition unusually demonstrate facial abnormalities, central nervous system dysfunction, and altered brain development.

Includes parenchyma, collenchyma, and sclerenchyma

What non examples of nucleotide

How does the warming of oceans impact ecosystems

4. which of the following describes the use of renewable energy? A) using natural gas to heat a house B) using a windmill to grind grain C) using petroleum to run a car D) using coal

What function do chloroplasts perform? A) They use light energy to make food for the plant. B) They control the activities in the cell. C) They produce proteins for the cell. D) They provide temporary storage for the plant's water.

Why is the study of human geography important?