Directional selection can be distinguished from disruptive selection by a. the elimination of extreme variations of traits
b. selection for two extreme variations of a trait
the preservation of gene frequencies
d. selection for one extreme variation of a trait

CORRECT ANSWER IS D

An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils