Which are characteristics of leeches? Check all that apply.

A. They are parasitic.

B. They are a type of roundworm.

C. They have setae.

D. They have medical uses.

E. They are segmented.

What bonds make phosphate groups break

Which of these occurs during active transport? which of these occurs during active transport? water moves across the plasma membrane. proteins powered by atp move substances up a concentration gradient.

Which of the following is an example of a pioneer species? a. fungus b. trees c. shrubs d. grass

What does it mean when a structure is described as parabolic?

Kathleen, age 7, holds the small ball in both hands in front of her before swinging forward, then backward, with one hand and balancing on well-separated feet. as her arm swings forward and across her body, she rotates and leans into the throw.

Which of the following two cycles are the most closely related in their role in sustaining life?

2. Which type of joint has the most amount of movement?

You are testing 3 new herbicides, A, B, and C, to control itch grass and to compare the effectiveness of the herbicides with a currently used herbicide, Round-Up, and the treatment with just water.

Assume B = dominant; b = recessive. What will be the result if Bb mates with BB?

Why should you be suspicious of a small sample?