When it is said that mutation is the ultimate source of genetic variation it means that it creates several new combinations which is similar to meiosis and fertilization because <span> new alleles and genes appear. It is just about some common points.</span>
Answer:
S phase
Explanation:
S phase is the second phase of interphase (longest phase where cell grows and replicates it's DNA and does it function. It is broken up into smaller sub phases). S phase is the synthesis phase. During this phase chromosomes are replicated ( The DNA is copied).
A gut with 4 stomachs would be the one. This is often found in animals that feed on grass and other plants and need 4 stomachs to be able to process the food.
D. The reaction absorbs energy from its surroundings
Heat is a form of energy, so if the chemical reaction makes its surroundings become colder, it is absorbing heat energy.
It's C. change over time. Happy to help!