Vocabulary
the increasing concentration of toxic substances in organisms
What is Biological Magnification ?
organisms that benefit from each other
What is mutualism?
Autotrophs are also called___
What are Producers?
Sea otters live in the ocean. Which of the following is NOT likely to be a limiting factor on the sea otter population? a. competition b. predation c. disease d. drought
C
The variety of genes in an ecosystem
What is genetic diversity?
Non-living Factors are also called
What are abiotic factors?
organisms using oxygen to break down food molecules to get chemical energy for cell functions
What is cellular respiration?
Cells--Tissues--Organs--Organ Systems--Organisms
What is Biological Levels of Organization?
Which will reduce competition within a species’ population? a. fewer resources b. higher population density c. fewer individuals d. higher birthrate
a
Humans depend on plants and animals for food, clothing, energy, and medicine.
What is Direct Economic Value?
variety of life in an ecosystem
What is biodiversity?
Fossil Fuels, Nuclear Fuels, Plants, Animals, and Solar Energy are all examples of___
What are Natural Resources?
Reproduction is not essential for ___
What is survival?
The carrying capacity of a population is the highest level at which a population can be _______________. a. before it crashes b. attained. c. sustained. d. after it crashes.
a
The role or position that an animal plays in the ecosystem
Niche
Changes induced my human activity
What is eutrophication?
The gradual process of becoming extinct is___
What is background extinction?
The portion of Earth that supports life is the
What is the biosphere ?
As populations grow individuals tend to compete for ...
resources
top predator in an ecosystem
Quantenary Consumer
The separation of a habitat into small pieces
What is habitat fragmentation?
Green plants providing oxygen and removing carbon dioxide is an example of___
What is an Indirect Economic Value of Biodiversity?
Reproduction, Using energy, Displays organization, responding to stimuli---
Which characteristics are missing from this list ?
Anthropogenic Changes are___
What are the changes induced by humans called?
carnivores eating other carnivores
tertiary consumer