plant defenses
What do plant defenses do?
They protect the plants from the predators
Daily change between ___ and ______ helps
day, night
Why do leaves fall off of trees?
to get ready for winter
What does tropism mean?
growing stems, roots, or leaves toward or away from a stimulus
What is respirations input and output?
Input- Sugar and oxygen Output- energy, carbon dioxide, and water
What is sharp to hurt predators and prevent them from being eaten?
thorns
When does photosynthesis and respiration happen?
At just right temperatures for the best plant growth
When do the seeds start growing?
When the temperature, water, and conditions are just right
What is Phototropism?
The way a plant moves to response of light (stem grows towards light)
What is Photosynthesis input and output?
Input- The suns energy, carbon dioxide, and water
Output- sugar and oxygen
What defense can kill the predator?
poison
Many bulb plants need what to mature?
cold temperatures
When do leaf buds start opening?
In the spring
What is Gravotropism?
What are some of the parts of transpiration?
roots, stem, leaves, vacuoles (their cells), stomata, guard cells, and photosynthesis.
Thigmotropism
True or false- Many bulb plants need warm temperature to mature
false, cold weather
Why do growth or activity of a plant seed stop?
When the temperature, or amount of water changes?
What is Hydrotropism?
The way a plant moves, or response to water (roots move towards water)
What is transpiration?
It allows the plant to release extra water.
poison, thigmotropism, and thorns
daily temperature changes
Helps ensure seeds will ________ when conditions are favorable for survival.
germinate
What is thigmotropism?
The way a plant moves, or response to touch (vines grow and wrap around a tree)
What are the three types of plant processes?
photosynthesis, respiration, and transpiration