Cart Mass
Distance Bart traveled
(cm)
Average
distance
(cm)
Trial 1
Trial 2
Trial 3
Trial 4
Trial 5
Cart 1
30
ci
Cart 2
50
25
Cart 3
100
25

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.

What kinds of foods are high in lipids?