the interactions between living organisms and their environments

plant succession

the relationships between parasites and their hosts

interactions between predator and prey populations

The leaves would dry out.

Water could not be sent to the roots.

Sugars could not be transported from leaves to roots.

Sugars could not be made.

Filament

Phloem

Meristem

Xylem

Species were modified over time but did not change into new species

Species evolved through physical changes that led to success

Species evolved by means of natural selection

Species are permanent and unchanging

mycelia

hyphae

chitins

lichens

All are types of fungi

Molds

Truffles

Yeast used to make bread