There are four major classes of biological macromolecules:
carbohydrates.
lipids.
proteins.
nucleic acids.
Explanation:
r:grasshoppers and cockroaches different in colour, habitat, and body mechanism .
Explanation: grasshoppers coluor range is green while cockroaches colour is redishBrown
Grasshoppers habitat is grass while cockroaches habitat is watery (wet) and dirty places.
Theses are observable differences.
Answer:
Both gray wolves and killer whales have live births. And Both gray wolves and killer whales are carnivores
Explanation:
1. red blood cells
2. wisdom teeth
It ranges are you watching tv or not recycling becus that can damege the enviorment
