2.2.3 Explain ONE consequence for reproduction if B was at the same
temperature as the rest of the body.
2.2.4
Explain TWO adaptations of the sperm to ensure that fertilisation is
successful.

Choose the best explanation of the difference between evolution and natural selection. a. natural selection is the idea that species change over time, and evolution is the idea that our world changes over time. b. evolution is the idea that species change over time, and natural selection is the idea that nature changes over time. c. natural selection is the idea that species change over time, and evolution is the idea that the species' food source also changes over time. d. evolution is the idea that species change over time, and natural selection is a mechanism by which evolution takes place.