Chromosomes are made from DNA. Genes are short sections of DNA. Genetically identical cells are produced by a type of cell division called mitosis. In sexual reproduction, a male gamete fuses with a female gamete to produce a new cell. This is called fertilisation. Gametes are produced by a type of cell division called meiosis. They contain a single set of chromosomes, whereas body cells contain two sets of chromosomes.
A) Species extinction - This is because animals will lose their homes and will eventually, slowly die out.
and
D) Reduced oxygen - Trees provide us with oxygen
I hope this helps you. ☺
Answer:
A, C, and D *maybe B but im not sure abt it*
Explanation: