Vocabulary
An organism's reaction to a stimulus is called _____.
Response
How do plants know what season it is?
1. It knows what kind of weather each season brings 2. It knows how long each season is suppose to be
3. It senses how many hours of daylight there are
3. It senses how many hours of daylight there are
Why would a plant have deep roots & where would it live?
To reach water far below ground
Grasslands
Carnivorous Plant adaptations -
- eat prey to get more nutrients due to soil not having enough nutrients.
- slippery walls so insects and animals get stuck inside
- respond to touch (Venus fly trap)
What is the goal of a corpse flower?
To attract different types of pollinators, such as flies and beetles that don't visit flowers/plants that bees and butterflies normally visit.
_________ is a stimulus that makes a plants roots grow downward.
Gravity
A plant that grows low to the ground would live in what two places?
-Desert
-Tundra
Get more water than deserts but are still hot and dry for long periods of time
Grasslands
What adaptations do rainforest plants have?
-Waxy leaves
-Drip Tips
What is an epiphyte
Air plants - adapted to grow without soil
Coil-like structures that cling to objects
Tendrils
So the roots can absorb water as soon as it rains
-Desert
What adaptations do cacti have to survive in the desert?
-can survive extremely hot days and cold nights
-store water in their stems
-have spines to prevent water loss and protection against predators.
Plants risk growing bacteria and fungi on leaves that are continuously wet
Plants that live in or around water
Aquatic plants
Anything in the environment that makes an organism act in a certain way
Stimulus
Why would a plant be leaning if it is in a window?
-The plant is responding to the stimulus of light and the stem is moving the plant in the direction of the sun.
-So the leaves/chlorophyll can absorb as much light as possible to make food during the process of photosynthesis.
Spongy roots help ________
-air plants collect water and nutrients from the air since the plants do not live in soil.
Cacti have spines to ______________
- protect them against water loss
-scare off animals that want to get water
What kind of stems would an aquatic plant have?
flexible and thin - to be able to bend easily in moving water.
change of an organism or its parts that makes it more fit or able for existence under the conditions of its environment
Adaptation
How does an aquatic plant get more sunlight?
Increased amounts of chlorophyll in their leaves
What happens to plants during the fall? (multi-step)
-The plants sense the temperature changing and less daylight.
-The plants begin to stop sending nutrients and water to the leaves and store them in their trunks to survive through the colder months.
-Leaves begin to stop making chlorophyll and cannot capture sunlight
-Leaves begin to change colors and will eventually fall off.
What adaptations do aquatic plants have?
-thin-ribbon like leaves
-make more chlorophyll to capture more sunlight
-strategies to maintain a balance of salt and water.
What type of weather and plants are in the tundra?
-extremely cold environments with short growing seasons.
-very few trees and plants close to the ground to stay warm and out of the cold weather.