Answer:
D
Explanation:
The item labeled 2 is the cell capsule that protects the cell from engulfment by eukaryotic cell, such as macrophages.
Very powerful microscopes were needed before cells could be observed in detail
Answer:
Plants → Grasshopper → Snake → Mushrooms
Explanation:
Read it from the sun, then it points to the grass, then grasshopper, then snake, then mushroom.
Answer:
Common examples include carbon, sulfur, oxygen, iron, copper, aluminium. Elements are represented by symbols. Compounds are substances made from atoms of different elements joined by chemical bonds. They can only be separated by a chemical reaction.
Explanation:
Substances can be categorised as either elements or compounds. Both of these are made up of atoms, the only difference is an element is made of one type of atom whereas compounds are made of two or more different types of atoms.