Feeding Relationships
What type of consumer only eats plants?
Herbivore
What is the smallest level of ecological organization?
Organism
What type of symbiosis benefits both organisms
Mutualism
Which biome is the coldest, has permafrost, and is dominated by plants such as lichen and moss?
Tundra
Who is known as the “Father of Evolution” for proposing natural selection?
Charles Darwin
What type of consumer eats only animals?
Carnivore
A group of the jaguars all living in the same area is called a what?
Population
In parasitism, which organism benefits: the host or the parasite?
Parasite
Which biome is known for its high biodiversity and warm, wet climate?
Tropical Rainforest
What are inherited traits (physical or behavioral) that improve an organism’s chances of survival and reproduction?
Adaptations
What is the original source of energy for most food chains?
Decomposers
What term describes all populations of different species living together in an area?
What type of symbiosis occurs when one species benefits and the other is unaffected?
Commensalism
What two features does a climatogram show?
Temperature and precipitation!
Survival of the fittest” refers to organisms with traits (passed from parent to offspring) best suited to their environment. What is the scientific term for this process?
Natural Selection
In a terrestrial ecosystem grass is a producer. The grass is eaten by a caterpillar. The caterpillar is eaten by a songbird. The songbird is eaten by a snake. In this ecosystem, which organism is the tertiary consumer?
The snake!
A community plus its nonliving environment is called what?
Ecosystem
What is the term for a species that has a critical role in maintaining the structure of an ecosystem?
Keystone Species
Which biome has very little rainfall, extreme temperatures, and organisms adapted to conserve water?
Desert
What type of evolution occurs when two related species evolve different traits due to different environments?
Divergent speciation/evolution!
There are 50,000 calories of phytoplankton (a producer) available. How many calories would be passed to the tertiary consumer level?
50 calories
What is the broadest level of ecological organization, including all ecosystems on Earth
Biosphere
Wolves are considered a keystone species because they control the population of what organism?
Deer
A climatogram shows high precipitation year-round and consistently warm temperatures. Which biome does it represent?
Tropical rainforest
The scientific theory that species change over time to adapt to their environments, driven by natural selection, is known as the theory of ________________.
Evolution!