7th Grade Life Science⭐️

Phenotype

Organism's physical appearance; visible trait

Adaptation

A behavior or physical characteristic that allows an organism to survive or reproduce in its habitat

Asexual reproduction

Reproductive process involving only one parent and produces offspring identical to the parent

Autotroph

Organism that makes its own food (generally plants); a producer

Biotic factor

A living part of an organism's habitat

Cell

Basic unit of structure and function in all living things or organisms

Chlorophyll

Green pigment in chloroplasts of plants and algae needed for photosynthesis

Chromosome

Structure in nucleus that carries the DNA and splits during reproduction

Classification

Grouping things based on their similarities

Community

All the different populations that live together in an area

Climate

Typical weather pattern in a area over a long period of time

Condensation

Process by which a gas changes to a liquid

Heterotroph

Organism that consumes food, (generally an animal); a consumer

Decomposer

An organism that breaks down dead organisms and returns important materials to the soil

DNA

Deoxyribonucleic Acid; genetic material that carries information for replication

Dominant allele

Allele whose trait always shows

Ecosystem

Community of organisms that live in a particular area, along with their non-living surroundings

Embryo

Young organism that develops from a zygote (fertilized egg)

Excretion

Process where wastes are removed from the body or cell

Food chain

A series of events in which one organism eats another to obtain energy

Gene

Set of information that controls a trait; a segment of DNA

Genotype

An organism's genetic make up or allele combination (aA, AA, aa)

Glucose

Sugar that is major source of energy for cells

Habitat

Specific environment that provides resources that an organism needs

Herbivore

Heterotroph that eats only plants

Carnivore

Heterotroph that eats only animals

Heredity

Passing of traits from parent to offspring

Heterotroph

Organism that cannot make its own food (generally animals and fungi)

Heterozygous

Having two different alleles for a trait

Homozygous

Having two identical alleles for a trait

Hypothesis

Possible explanation for a set of observation or answer to a scientific question; must be testable

Instinct

Inborn behavior; inherited behavior done correctly the first time

Learned behavior

Behavior based on practice or experience in the environment

Nutrients

Substances that provide raw material and energy for organisms

Organ

Structure in the body made of tissue that performs a function in the body

Organ system

A group of organs that work together to perform a major function

Organelle

Tiny cell structure that carries out a specific cell function

Organism

A living thing

Photosynthesis

Plant process of using water, carbon dioxide and sunshine to make food

Species

Lowest level of classification of organisms that are similar and can mate and least diverse - second part of naming system for organisms

Population

All members of one species in a particular area

Population density

Number of individuals in a given area

Predator

The organism that feeds off another (consumer)

Punnett square

Chart that shows the possible combination of alleles

Precipitation

Snow, rain, sleet, or hail

Recessive allele

Unseen trait when dominant allele is present

Sexual reproduction

Reproductive process involving two parents to produces offspring

Territory

Area occupied and protected by an animal or group

Tissue

Group of similar cells that perform a function

Trait

Characteristic that an organism can pass on to offspring

Water cycle

The continuous process by which water moves from Earth's surface to the atmosphere and back

Cultivate

Loosening soil around plants to allow moisture in and roots to grow

Composting

Organic material worked on by decomposers to breaking it down

Digestion

Breaking down food into nutrients

Ingestion

Taking food into the body

Inherited

Passed down from parent to offspring

Conservation

Protecting the environment by not over using or replacing resources

Niche

Roll or job of an organism in its habitat; how it makes a living