Natural Selection & Evolution

Definition: adaptation

• inherited characteristic that increases chances of survival
• organisms with traits well suited to their environment survive and reproduce at a greater rate
• a growing population causes a scarcity of resources
• differences in the DNA sequence

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-2

Definition: competition

• inherited characteristic that increases chances of survival
• organisms with traits well suited to their environment survive and reproduce at a greater rate
• a growing population causes a scarcity of resources
• differences in the DNA sequence

Tags

NGSS.MS-LS2-1

Definition: natural selection

• inherited characteristic that increases chances of survival
• organisms with traits well suited to their environment survive and reproduce at a greater rate
• a growing population causes a scarcity of resources
• differences in the DNA sequence

Tags

NGSS.MS-LS4-4

NGSS.MS-LS1-5

Definition: fitness

• ability to survive and reproduce in a specific environment
• organisms with traits well suited to their environment survive and reproduce at a greater rate
• a growing population causes a scarcity of resources
• differences in the DNA sequence

Tags

NGSS.MS-LS4-4

NGSS.MS-LS1-5

Definition: variation

• ability to survive and reproduce in a specific environment
• organisms with traits well suited to their environment survive and reproduce at a greater rate
• a growing population causes a scarcity of resources
• differences in the DNA sequence

Tags

NGSS.MS-LS4-4

Definition: homologous structures

• remains of dead organisms
• related organisms have the same bone makeup
• in the early stages of development dogs, pigs, and humans resemble one another

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Definition: fossil record

• remains of dead organisms
• related organisms have the same bone makeup
• in the early stages of development dogs, pigs, and humans resemble one another

Tags

NGSS.MS-LS4-1

Definition: embryology

• remains of dead organisms
• related organisms have the same bone makeup
• in the early stages of development dogs, pigs, and humans resemble one another

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

A trait that makes a species better suited to survive in its environment is called a(n) _________.

• variation
• adaptation
• natural selection
• isolation

Tags

NGSS.MS-LS4-4

A species is an organism that has different traits and cannot _______ with other organisms.

• breed
• exist
• survive
• evolve

Tags

NGSS.MS-LS4-4

NGSS.MS-LS1-4