The gradual development of a species into a new one to survive.

A. Natural Selection

B. Evolution

Which one?

a substance that contains equal numbers of hydrogen hydroxyl ions would be called

Which statement accurately compares archaebacteria and eubacteria? 1. Both take different shapes and sizes. 2. Both are always heterotrophs. 3. Both can sometimes live in extreme environments. 4. Both are known as "true" bacteria.

In which organelle does the chemical process of photosynthesis occur? mitochondria nucleus chloroplast endoplasmic reticulum

In humans, having freckles (F) is dominant to not having freckles (f). Match he genotype with the appropriate phenotype.

A scientist discovers a new species of marine bacteria that do not require oxygen to survive. In fact, dissolved oxygen in the water is actually toxic to these bacteria.

3. In the Phylum Porifera, the highest level of organization is arguably only at the cellular' levél. How have the cnidarians become more complex in terms of organization? What does this mean?

Explain the biological process that enables the roots epidermal cells to do this

Which term describes when individuals leave more offspring than other individuals?

Which of the following traits would be least useful in a phylogenetic analysis? A) A trait that is altered easily by small changes in temperature B) A trait that involves genetically inherited behaviors C.

A mutation is a mistake or change in the