If 20 N of force are applied to a lever to lift a log 5 meters off the ground, how much work is done?

In sickle-cell disease, an allele produces red blood cells with an abnormal shape, which affects many other trats in he same individual. What genetic behavior does this describe?

We all have different forms of genes from our parent (s). what are these different forms called? A. alleles B. characters C. DNA D. resources

Compare primary consumer vs. secondary consumer

Which technology has allowed for exploration beyond our solar system? space probe space station space shuttle space observatory O

Which part of a sperm cell is responsible to move the cell forward? a. round head b. mitochondria section c. cell wall d. flagellum

What characteristic of Charales would enable them to survive a dry spell? sperm with flagella phragmoplasts sporopollenin chlorophyll a

Many Head Start programs have a community aide who A. tutors at-risk children in the home. B. gives families the money they need to survive. C. connects families to community resources they need. D. represents families at family/teacher conferences.

Stranded on an island, you have two sources of water to drink: salty ocean water and contaminated fresh water. explain your choice of drinking water and indicate why your selection is the best choice.

How are a hypothesis a prediction and an experiment related

Two species of garter snakes live in the same geographic area. One lives mainly in water and the other mainly on land; therefore, they rarely encounter each other and do not interbreed. What type of isolation is this?