Mutations. Definition. A Mutationoccurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene. A Mutagen is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed
Answer:
Level 1: Plants and algae make their own food and are called producers. Level 2: Herbivores eat plants and are called primary consumers. Level 3: Carnivores that eat herbivores are called secondary consumers. Level 4: Carnivores that eat other carnivores are called tertiary consumers.
Throat, Anus , digestive system teeth
MRNA Strand: A-A-G-C-G-A-C-U-U
1. B. 2.B 3.C.
1. Fossils is a main supporter of the evolution theory
2. Evolution
3. Lack oh adaptation risk death