Which of these is an environmental cost of fossil fuel consumption?

A. renewable source

B. cheap energy

C. low pollution

D. increased greenhouse gasses

Data must be considered valid for scientists to trust conclusions. Which is the best way to increase the validity of data in an experiment? A. Get many scientists' opinions of the data. B. Measure data in Sl units. C. Carry out two or fewer trials.

Jillian has a condition called agenesis of the uterus. A woman with this condition is born without a uterus. What type of infertility treatment will suit Jillian? A. in vitro fertilization B. artificial insemination C. hormone treatment D. surrogacy

Darwin believed that because of "differential reproductive success" a population would change over time. select one: a. True b. False

How does the size of fungal hyphae contribute to their ability to decompose detritus? (select all that apply.

Four different phylogenetic trees of a group of salamanders have been proposed. Trees A and B each require 12 homoplasies, but tree A requires 14 synapomorphies and tree B requires 13 synapomorphies.

What would happen if all the hawks in this ecosystem died from an illness?

Why do monozygotic twins have the same sex?

Which of the following parts of an organism is most likely to become fossilized? A lung B heart C tooth D skin

What about "elements are added to oceans at a faster rate than they are removed" is false

Researchers studying soil conditions and plant species between 0 and 500 meters from former Roman settlements found that sites closer to settlements had a. less species richness. b. greater species richness. c. lower soil pH. d.