Answer:
Even in a chemical reaction when atoms interact and create new products, mass is conserved. This is because the new substances created are composed of atoms that were present in the reactants. The atoms from the reactants come apart, rearrange, and re-bond in a different arrangement to form the products.
Answer:
I think this is 2 because there would have been bigger predators in the ocean vs. a lake
The new species would try and crossbreed possibly, or see them as weak and kill them off and take their resources.
When a mutation has an effect that helps a species adapt to an environment, and specimens of both genders have it, it will end up taking over, causing evolution to gradually happen.
Answer:
asexual reproduction
Explanation:
it starts off with a single nucleus and ends up with 2, there is no obvious chromosomes or spindle fibres to suggest meiosis or mitosis
