PLZ HELP When would a point mutation occur?

It can occur before and after cell division

Before the cell divides

After the cell divides

Before DNA replication

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Complete the possible outcomes for each generation in the pedigree chartaa aa aa

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms