chpt 31-35 Flashcards
what part of a flower contains sperm cells
Pollen or the stamen
Explain what roots do
Provide stability, collect water, and store nutrients
What the difference between vascular and non vascular plants
Vascular have tube like structures that carry water, non vascular plants absorb water through cells
Whats a stoma
Openings in the leaf that exchange gasses like oxygen and carbon dioxide with the environment
What distributes water from the roots to the entire plant
xylem
Define heterotroph
An organism that gets its food by eating other orgasisms
What three things are usually animals?
Multicellular
Heterotroph
Mobile
Bilateral symmetry is
A mirror image across one line
What is a structure that is a attached to something larger
An appendage
Homeostasis
Behaviors that allow internal balance despite changing conditions in the environment
Stimulus
A change in the environment that triggers a response
Name the three things needed in a chordates animal
notochord
nerve cord
pharyngeal slit
Ectotherm is __ and Endotherm is
Cold blooded, warm blooded
Define innate behavior
Instinct, an animal automatically knows this
Define learned behavior
A behavior of an animal that they learn through environment, living and watching
