Answer:
Organisms
Explanation:
Natural selection is when organisms adapt to their environment due to "survival of the fittest".
Answer:
1 out of 4
or
25%
Explanation:
First we draw a Punnett Square for this:
R r
R RR Rr
r Rr rr
So here we have the following genotypes possible for this cross:
RR = homozygous dominant
Rr = heterozygous dominant
rr = homozygous recessive
As you can see out of the four (4) possible outcomes, one (1) of them is rr. So the probability is 1 out of 4 chances or 25%.
Which one of the following is NOT true about mechanical weathering?
a. produces smaller pieces
b. adds to the effectiveness of chemical weathering
c. does not change the rock's mineral composition
d. does not affect metamorphic rocks
Answer is D, d. does not affect metamorphic rocks
The correct answer would be A) or the first option.