How are estuaries and coral reefs similar

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?