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What is phototropism
a plant's response to light
What does the prefix "photo" mean
light
a bear sleeping through the winter is an example of what
dormancy
what happens to organisms during dormancy
they slow or pause their functions
what is the powerhouse of the cell (or energy maker)
mitochondria
What happens to a plant during dormancy
It slows or stops activity
What is a circadian rhythm
a 24 hour internal clock
what allows plants to make their own food using light
photosynthesis
why do organisms migrate
to survive seasonal changes
what is the main location of DNA in a cell
nucleus
What internal process helps living things know when to eat, sleep, or grow?
Which direction do plant roots usually grow
with gravity or toward gravity
what helps a seed planted upside down grow in the opposite direction
geotropism
when do trees in colder climates usually become dormant
winter
what are two things that a plant cell has that an animal cell does not
cell wall and chloroplast
Why do houseplants lean toward a window
they are reacting to the light
what causes a flower to open during the day and close at night
circadian rhythm
why are plant responses like tropisms important
they help plants survive
what is the purpose of phototropism
to get more sunlight
what is the place in the cell where protein synthesis takes place
ribosomes
How does geotropism help roots
It helps them grow toward gravity
True or False: Plants, animals and bacteria all use circadian rhythms?
true
what is geotropism
a plants response to gravity
what causes a plant to grow toward light
phototropism
what is the largest part of a plant cell
vacuole