A. Amber, because in the Prehistoric times the insects and small dinosaurs fell into amber and became preserved in the hardened sap.
Hey there
the answer is :
False
in fact Earth is always precisely 1 AU from the Sun.
Hopes this helps u :)
Answer:
Option D, Number of limbs
Explanation:
Options for the question
a. Birth weight
b. Hair color
c. Number of offspring
d. Number of limbs
Solution
Variation within a species is caused due to genetic differences governed by varying allele frequencies and duet to environmental factors that somewhere effect the expression of the genetic potentials thereby causing phenotypic variation.
Number of limbs is a physical characteristics, very unlikely governed by genetic variation. While factors such as hair color (grey, black, white etc.), height (tall, short, medium) etc. are governed by genetic variation as a result of which they have several phenotypic variations.
Hence, option D is correct
There are two ways you could look at this. If we got rid of all viruses, then less people would die. This is obviously a good thing as so many families are devastated by virus related deaths every year. However, all these extra people could lead to surplus population which, as history has shown, leads to drought, famine, and the eventual down fall of the empire/nation/etc
