Match the descriptions below with the correct species of human ancestor or relative. referred to as "upright human"; believed to have used tools, hunted, built fires, lived in caves: nicknamed "lucy"; believed to have existed before
a. africanus: sister species, rather than an ancestor, to h. sapiens: modern humans: discovered in 1924; named "southern ape from africa": called "handy human" because its fossil was found near tools:

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.

Analyze how the water cycle affects a food web. now list 3 examples for each below using complete sentences, on how too much water would affect the same web? how about to little water?