Nonliving features of an ecosystem such as climate, light, soil, chemistry, and water availability.
A characteristic, arising from natural selection, that improves a population's chance of survival and ability for reproduction.
A vertebrate that spends it's early life in water and it's adult life on land.
An arthropod with two body sections, four pairs of legs, and no antennae.
An invertebrate that has an external skeleton, a segmented body, and jointed appendages.
Mode of reproduction in which offspring arise from a single parent and inherit the genes of that parent only.
A response to external and internal stimuli.
System for naming organisms in which each organism is given a unique, two-part scientific name.
A large, relatively distinct terrestrial region, encompassing many interacting ecosystems, and characterized by similar climate, soil, plants, and animals, regardless of where it occurs on Earth. A biome is commonly named for its plant cover.
Living features of an ecosystem including the interactions between living organisms distinct from abiotic factors.
A consumer that eats only animals.
The smallest unit of life capable of carrying on life's functions.
A process by which energy stored in molecules is released within plant and animal cells.
A structured organizer used to determine groups based on similar characteristics.
The average temperature and rainfall for a particular place over hundreds or thousands of years.
An association of different species living together at the same time in a defined habitat with some degree of mutual dependence.
The result of a common demand by two or more organisms or types of organisms for limited resources.
Organism that eats other organisms for food.
An arthropod that has two or three body sections, five or more pairs of legs, and two pairs of antennae.
An organism that obtains energy from decaying organic material.
DNA (Deoxyribonucleic acid)
The genetic material that carries information about an organism and is passed from parent to offspring.
A group or community of organisms interacting with their environment.
The physical surroundings of an organism which includes the living and nonliving components.
Coastal body of water (such as the Chesapeake Bay) that connects to the oceans where fresh water from a river mixes with saltwater from the ocean.
Changes in a species as a consequence of processes such as mutation and natural selection.
The elimination of a species due to natural processes or human activity.
Substances that provide carbohydrates, lipids, and proteins as an energy source to living organisms.
The feeding relationships of species that transfer energy through the organisms in a community.
The complex interconnection of food chains in an ecosystem.
All of the DNA in one cell of an organism that carries the "blueprint" or instructions for making the entire organism.
The local environment in which a specified organism, population, or species lives, characterized by it's physical and chemical features.
A consumer that eats only plants.
An organism that supports a parasite either in or on its own body and to its own detriment.
To receive a characteristic or trait from an ancestor by the passing of genes from one generation to the next.
An arthropod with three body sections, three pairs of legs, one pair of a antennae, and usually one or two pairs of wings.
The relationships between or among organisms necessary for their survival.
An animal without a backbone.
An warm blooded vertebrate with a 4 chambered heart, skin covered with fur or hair, and young fed with milk from the mothers body.
A process in which an animal's body undergoes dramatic changes in form during it's life cycle.
An organism composed of more than one cell.
A change in a gene or chromosome.
Something from the natural environment (water, air, trees, fuel) that is used to meet one's needs and wants.
A process by which some individuals that are better adapted to their environment are more likely to survive and reproduce.
The circulation of nitrogen brought about mainly by living things.
Non-Native (Invasive) Species
Plants and animals that are not native to an environment, introduced intentionally or accidentally.
Resources that can be depleted and are not replaceable, such as coal, oil, and minerals.
The product of reproduction by an organism or organisms.
A structure made up of different types of tissues that work together to do a specific job.
Groups of cells, tissues, organs and organ systems that work together and form a living thing.
The movement of water through a membrane.
Oxygen/ Carbon Dioxide Cycle
The process by which oxygen and carbon are produced, exchanged, and recycled between living organisms in an ecosystem.
A symbiotic relationship between two organisms in which one (the parasite) benefits to the detriment of the other (host).
The process by which green plants use water and carbon dioxide and light from the sun to make food.
Human and/or natural contamination of the environment by chemicals or heat energy to the extent that existing habitats are threatened or endangered.
A group of organisms of the same species that live in the same area at the same time.
An organism that kills and consumes another organism (prey).
An organism that is stalked, killed, and eaten by another organism.
An organism that makes its own food.
A chart that shows all the possible combinations of alleles (genes) that can result from a genetic cross.
Resources that can be replenished, such as trees and plants.
A natural stream of water with a large volume.
An organism that feeds on dead organic matter.
Mode of reproduction in which offspring arise from two parents and inherit genes and traits from both parents.
Organisms whose members are alike and successfully reproduce among themselves.
Groups of cells, tissues, and organs that work together to perform a specific job.
Group of similar cells working together to perform a specific job.
A characteristic which is passed on to offspring through heredity.
Organisms composed of only one cell.
An animal that has a backbone.
The process by which the Earth's water circulates through the environment.
Mitosis, a process of cell duplication, or reproduction, during which one cell gives rise to two genetically identical daughter cells.
division of a germ cell involving two fissions of the nucleus and giving rise to four gametes, or sex cells, each possessing half the number of chromosomes of the original cell.
Organelle in which glucose is converted to energy with water and carbon dioxide as waste
Organelle in which carbon dioxide and water are converted to sugar and oxygen
The process in which plant cells create chemical energy from the solar energy
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