Number of eyes found in earthworm

Facts about vesicles

Sasha places a semipermeable membrane in a beaker and adds water to the beaker. She then adds sugar to the water on the left side of the beaker. What will happen to the concentration of sugar on both sides of the membrane after 30 minutes

Many lakes in Minnesota and New York are dead because of a. DDT. b. too much rain. c. acid rain. d. carbon monoxide.

Which statement is not an accurate description of meiosis? A) Meiosis produces offspring that are genetically diverse. B) Meiosis produces offspring that are identical to the parent.

Why would an ecosystem be unable to sustain an increase in carnivores? A There is not enough prey. B The carnivores now have more space. C Plant growth increases. D It is a marine ecosystem.

A particular dna sequence reads tcgaggtcaccg. a mutation occurs in which the first "a" in the sequence is deleted. what will happen to the protein produced? a. the first amino acid will be wrong, but the last three will be correct. b.

The War Powers Act of 1973 is an example of a A Congressional check of Presidential power B Presidential expansion of congressional power C Presidential check of congressional power D Congressional expansion of Presidential power

Which of the following illustrates a complete circuit? 5000 Tryhard Tryhard Tryhard 2008 Ware, no

Tonya used a microscope to observe five kinds of organisms in a sample of pond water. She wants to identify each organism using the dichotomous key below.

What three minerals control cellular fluid balance?