Question

Name the two modes by which animals reproduce.

Answer 1

• Animals reproduce either by asexual or sexual mode.

1) Asexual reproduction- The process by which organisms form genetically identical copies of themselves known as clones.

• It organisms divide by mitosis.
• The formation of gamete is not required.
• Eg- Binary fission in bacteria, budding in yeast and hydra.

2) Sexual reproduction- The process by which the genetic material of two organisms gets combined.

• The sex cells or gametes (sperm and ovum) are produced by meiosis.
• Each parent contributes each half of the offspring's genetic material by creating haploid gametes.
• These gametes combine together to form a diploid zygote which is the future embryo.
• Eg- Humans.