Plants Make Plants
The female part of the flower
Pistil
The stimulus that pulls roots into the ground
gravity
This type of reproductive structure has hard outer scales, but no stamens, pistils or ovaries
cones
When a male structure and female structure combine , this happens
fertilization
the male part of the flower
stamen
this stimulus causes a plant to respond by turning its stem and leaves
sunlight
Mosses reproduce by using this tiny reproductive structure
spores
What an organism does when it senses a stimulus in the environment
Response
The yellow powdery material spread by animals, insects, wind, or people
pollen
A vine coiling up the side of a house is an example of which stimulus?
Touch
This reproductive structure is bright, colorful and smells good to insects
petals
Anything in the environment that makes an organism act in a certain way.
Stimulus
First step of reproduction
Fertilization
When roots grow into the ground, they grow toward this stimulus
water source
This grows around the seed in a flower to protect it
fruit
Another word for coil like structures on vines
The 4 things all plants need to stay alive
Water, air, sunlight, nutrients
What are 2 examples of a stimulus?
light, gravity, touch, seasons, water
In the fall, leaves start to change colors on the trees. This happens because the amount of sunlight ________ and trees stop making ____________
decreases; chlorophyll
green structure produced by plants to help create food in a plant
chlorophyll