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60 Cards in this Set

  • Front
  • Back

Ecology

the study of the interactions of living organisms with one another and with their environment

Organism

a living thing; anything that can carry out life process independently

Habitat

a place where an organism lives and provides the organism with its needs/resources

population

a group of organisms of the same species that live in a specific geographical area

biology

the study of life

community

all of the populations of species that live in the same habitat and interact with each other

food web

a diagram that shows the complex feeding relationships between organisms in an ecosystem; shows overlapping food chains

ecosystem

a community of organisms and their abiotic, or nonliving, environment

biosphere

the part of Earth where life exists

biotic

describes living factors in the environment

abiotic factor

describes the nonliving part of the environment, including water, rocks, light, and temperature

species

a group of organisms that are closely related and can mate to produce fertile offspring


abiotic

Soil, rocks, climate, water, gases, & sunlight are ___________ factors.

biotic

Plants, animals, fungi, bacteria, & protists are ____________ factors.

producer

A p___________ is an organism that can make its own food by using energy from it’s surroundings.

autotroph

An a_____________ is an organism that can make its own food by using energy from it’s surroundings.

consumer

A c_____________ is an organism that eats other organisms or organic matter.


heterotroph

A h_____________ is an organism that eats other organisms or organic matter.

Food chain

shows the pathway of energy transferred from one organism to the next

Energy pyramid

a triangular diagram that shows how much energy istransferred between feeding levels in a food web; shows an ecosystem's loss ofenergy, which results as energy passes through the ecosystem's food web; ONLY 10% ofenergy is transferred from one level to the next

Predator

an animal that kills and eats all or parts of another animal

Prey

an organism that is killed and eaten by another organism

glucose

Producers make and use these food molecules, which break down in the form of sugars.

Scavenger

acarnivore that feeds on the bodies of dead organisms / carcasses

water

What do all living things need? (It is the most abundant chemical in living things.)

space

What is a resource plants need in order for their roots to grow in the soil?

glucose and oxygen

the 2 products of photosynthesis

oxygen

a gas made by producers/autotrophs through photosynthesis

carbon dioxide

a gas made by consumers/heterotrophs (through process of cellular respiration)


adaptation


a physical or behavioral trait that allows an organism to survive or reproduce

predation

theact of an animal hunting, killing, tearing flesh, and eating another animal

Herbivore

SECOND level of energy pyramid

sun

powers the process of photosynthesis

sun

energy source for all ecosystems in the world

sun

direct energy source for producers

limiting factors

food, space, weather, disease, predators, and physical barriers can keep a population from increasing

Omnivore

an animal that eats both plants and animals

niche

an organism’s particular role in an ecosystem, or how it makes its living, or its job


algae

the producer of water, providing oxygen and food for water-dwelling consumers

over-population

occurs when a population exceeds its carrying capacity for that ecosystem

resources

all biotic and abiotic factors that an organismdepends on for survival

competition

the struggle between organisms to survive with limitedresources

photosynthesis

process by which plants, algae, and some bacteriause sunlight, carbon dioxide, and water to make food

carrying capacity

the largest population (of one species) that anenvironment can support

Carnivore

an animal that eats meat (other animals)

Decomposers

organisms that help in recycling matter in the environment

Producer

FIRST level of energy pyramid

Carnivore

THIRD level of energy pyramid

Decomposers

organisms that return important nutrients to the soil and water

Non-native

species that have been introduced into new areas which have not previously been part of their native range

Non-native

type of species that has arrived in an ecosystem by human activity

Invasive

a type of species that is non-native to an ecosystem and it causes HARM

Decomposers

Bacteria and Fungi are the two most important ________________ .

base

What section of an energy pyramid contains the most energy? (base or top)

herbivore

organisms that eat plants or algae

Stable

type of ecosystem that has equilibrium, even in the face of disturbance

Biotic

the following are ________ factors: a population of animals; types of trees; number of insect species

Abiotic

the following are ____________ factors: rich soil; amount of precipitation

Prey Adaptations

physical or behavioral characteristics that allow organisms (eaten by predators) to survive or reproduce; Examples: camoflouge, speed, good sense of hearing, etc.

Predator Adaptations

physical or behavioral characteristics that allow organisms to survive or reproduce by hunting; Examples: Sharp claws, sharp teeth, strong jaws, ambush techniques, speed, camoflouge, etc.