Biotic and Abiotic Factors
What are the living components of an ecosystem called?
What are Biotic Factors
What is a predator?
A predator is an organism that hunts and eats other organisms.
A relationship between two organisms in which one organism benefits and the other is unharmed...
Commensalism
What are animals called in a food chain?
Consumers
What do you call organisms that can make their own food?
Autotrophs
What is the smallest unit of organization in an ecosystem?
Organism
Biome with many different species of cacti and reptiles and very little rainfall.
Desert
Give an example of an abiotic factor that helps organisms survive?
sunlight, water, air, soil, and temperature.
What is the role of a prey in a food web?
Prey is the organism that is hunted and consumed by the predator in a food web.
A tapeworm lives in the intestine of a cat absorbing nutrients through its skin. A tapeworm and a cat have this type of relationship.
Parasitism
What are the organisms that break down dead plants and animals?
Decomposers
What is another name to describe an autotroph?
Producer (Plants)
A forest full of many kinds of trees and grasses is an example of a
Community
The earth's coldest biome is the....
Tundra
How do biotic factors influence the survival of organisms?
Biotic factors such as competition, predation, and disease can affect an organism's survival by influencing its food sources and habitat.
If a Predators' population decreases in an ecosystem, what will happen to the population of its prey?
It will Increase
Lichens are close associations of fungi and algae. The fungi hold the water supply and the algae perform photosynthesis to manufacture carbohydrates for both organisms.
Mutualism
The arrows in a food chain or web represents what?
They show what direction the energy is flowing between organisms.
How do autotrophs obtain energy?
Photosynthesis
Multiple organisms of the same species describes a
Population
Large areas of similar ecosystems
Biomes
Name three biotic factors that can affect a plant's growth.
Examples of biotic factors include soil nutrients, competition with other plants, and herbivory by animals.
Beetles feed on small plants. They are _______.
Herbivores
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales. What kind of relationship is this?
Commensalism
What is the difference between a food chain and a food web?
A food chain is a single path of energy flow, while a food web is a complex network of interconnected food chains.
Giant Pandas are ____________.
Herbivores
What is the correct order of the levels of organization from simple to complex?
organism, population, community, ecosystem,biome,biosphere.
large, open spaces where mostly grass grows. Trees only grow near rivers or streams. The soil is very rich. The largest land animals live in this area
Grasslands
Explain how abiotic factors like sunlight and water can impact ecosystems.
Sunlight is needed for photosynthesis, and water is essential for all life; both can limit or enhance the growth of organisms.
The struggle between organisms to survive as they attempt to use the same resource.
Competition
Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower.
Mutualism
What is the name of the energy that comes from sunlight?
ATP (Adenosine triphosphate)
Humans are ___________
Omnivores
A collection of all the biomes on Earth is?
Biosphere
Biome that covers 70% of the Earth
Marine Biome (Oceans)