When did soft-bodied, multi-celled animals first appear?

A) Soon after Precambrian time ended

B) late in Precambrian time

C) very early in Precambrian time

D) In the middle of Precambrian time

How does a flatworms brain compare to yours? A. it connects to all the same organs as yours B. it is very primitive in comparison C. although smaller it holds the same amount of information

How does fertilization occur in angiosperms? In your explanation, use the correct vocabulary to refer to the male and female parts of a plant.

What is actually dividing during cytokinesis?

A white patch on the chest is recessive, notice both critters have a white patch. What are the odds that their offspring will have a white patch?

An anthropologist finds a fossil in Africa that appeared less than 100,000 years ago. To which species could the specimen belong? Homo neanderthalensis Homo habilis Homo erectus Homo sapiens

Which of the following is true about radio waves? A. Radio waves can carry energy through the vacuum of space but not through matter. B. Radio waves can carry energy through both matter and the vacuum of space. C.

What was the probability that the offspring will be unable to roll the tounge A. 0 B. 2 C. 3 D. 4

When a uniform becomes saturated with blood, what is the proper action that should be taken before an athlete can return to competition? select only one?

Which step in the scientific method is next after conducting an experiment

What are 2 types of gene mutations?