Fitness Biology

measure of an organisms's ability to survive and produce offspring relative to other members of a population 

• Natural Selection

• Adaptation

• Fitness

• Variation

Tags

NGSS.MS-LS4-4

The process where organisms best fit for the environment are more likely to survive and reproduce.

• natural selection

• adaptation

• hibernation

• selective breeding

• hybridization

Tags

NGSS.MS-LS4-4

What is an inherited characteristic that helps organisms survive?

• Evolution

• Adaptation

• Natural Selection

• Extinction

Tags

NGSS.MS-LS4-4

A slight difference in an inherited trait between individual members of the same species.

• variations

• adapatations

• homologous structures

• analogous structures

Tags

NGSS.MS-LS4-4

Which muscle-fiber type is best suited for endurance activities, such as long-distance jogging? ​ (a)  

• slow oxidative fibers

• slow glycolytic fibers

• fast oxidative fibers

• fast glycolytic fibers

Which muscle fiber type is recruited second during activities?

• Type 1B

• Type 2X

• Type 1

• Type 2A

The refractory period in which the muscle will not contract if stimulated occurs during ​ (a)   of the muscle cell

• repolarization

• hyperpolarization

• polarization

• depolarization

What is the structure that stores calcium in the muscle cell?

• Sarcoplasmic reticulum

• Myoglobin

• Neuron

• Neuromuscular junction

The functional unit of the muscle cell is the:

• Sarcomere

• Myofilament

• Osteon

• Muscle fiber

Body parts of organisms that are the same in structure and position but different in function.

• embryos

• homologous structures

• analogous structures

• vestigial structures

Tags

NGSS.MS-LS4-2