Chapter 4 Flashcards
What are the two meanings of ecosystems?
- Network of interactions between living organisms and non-living things around them.
- Community of plants, animals, and micro-organisms (living organisms) and non-living things in their shared environment.
What is a habitat?
Place where organisms live.
What are the spiky things in cacti called?
Cacti spines.
They’re tiny because as the surface area of a leaf increases, the amount of water vapor loss from the Sun increases.
Are some deserts cold? If yes, give an example.
Yes, Gobi Desert.
Why do meerkats have dark eyes/undereyes?
To reduce the glare of the Sun.
How do camels eat/get nutrients?
They store food in the form of fats in their hump.
What is one adaptation that cacti have to absorb water?
Widespread roots
What is the word used for describing a special capability of an animal that needs that to survive?
Adaptations
What are the functions of the cacti stem?
Storing water, absorbing sunlight, making photosynthesis
living organisms need
each other to Survive popluation-wise, explain.
when predator population decreases, prey population overly
increases, leading to lack of food
for the prey thus ending a Species.
the other way around as well
Is the top predator called tertiary consumer?
No
Label a food chain.
Producer => Primary Consumer => Secondary Consumer => Tertiary Consumer
How do ants help flowers?
They pollinate them by carrying pollen to male gametes.
What does a food chain show?
Prey/predator relationships.
What is the meaning of species?
A group of organisms that can reproduce a fertile offspring.
What is introduced species?
Species that live in a habitat where they don’t originally belong to.
What is the meaning of nocturnal?
Active at night.
What is native species?
Species that live in a specific habitat, in which they belong.
Can under a rock be a habitat?
Yes. Animals can live there, making it a habitat.
What is bioaccumulation?
Gradual increase of a substance’s concentration in a living organism’s body.
What is an invasive species?
Species that moved to a new habitat and while adapting, harmed native species.
What is a native species?
Species that originated and evolved in a particular habitat.
People try to ___ invasive species.
Eradicate.
What is a neutralized species?
Species that adapt to their new environment without causing harm to native species.
What is an introduced species?
Species that have been brought to a new habitat by human activity.
What is biomagnification?
~chemical transfer from low trophic levels to high.
~increase of a substance’s concentration as u go up a food chain
