Question

what involves the transmission of traits from parents to offspring?
a. natural selection
b. variation
c. inheritance
d. adaptation

what is the significance of mutations in the process of evolution?
a. they ensure all traits are preserved
b. they are harmful and lead to extinction
c. they provide new genetic variations for natural selection to act upon
d. they have no impact on evolution

which concept refers to differences among individuals within a species?
a. variation
b. adaptation
c. natural selection
d. inheritance

Explanation:

First Question:

• Option a: Natural selection is about survival of fittest, not trait transmission.
• Option b: Variation is differences in traits, not transmission.
• Option c: Inheritance is defined as transmission of traits from parents to offspring.
• Option d: Adaptation is about fitting environment, not trait transmission.

• Option a: Mutations don't preserve all traits; they change genes.
• Option b: Mutations aren't always harmful; some are neutral or beneficial.
• Option c: Mutations create new genetic variations, which natural selection can act on, driving evolution.
• Option d: Mutations are a key source of genetic variation for evolution, so they impact it.

• Option a: Variation is the term for differences among individuals of the same species.
• Option b: Adaptation is about traits aiding survival, not differences.
• Option c: Natural selection is the selection of traits, not differences.
• Option d: Inheritance is about trait transmission, not differences.

Answer:

c. Inheritance

Second Question: