Bio Flashcards
Evolution
over a long period of time, living organisms will evolve to adapt to their surroundings
Stimulus
anything detectable that can bring about a response in an organism
Tropism
growth of organism is a response to environmental stimulus; direction dependent
Phototropism
response to light
Chemotropism
response to chemicals
Geotropism
response to gravity
Thigmotroposm
response to touch
Hydrotropism
response to water
Positive tropism
movement towards stimulus
Negative Tropism
movement away from the stimulus
Nastic response
response to stimulus; independent of direction
Sexual Reproduction
genetically diverse offspring; gametes
Homeostasis
internal balance
Major elements for organisms
Carbon, Hydrogen, Oxygen, and Nitrogen
Vitamin A
[retinol/ beta carotene] maintains healthy eyes and aids in growth and development