1-3 Interactions Among Living Things

An organism's particular role,or HOW IT MAKES A LIVING, is called its

• Carrying Capacity
• Ecosystem
• Competition 
• Niche

The behaviors and physical CHARACTERISTICS of species that allow them to live successfully in their environment are called

• Habitats
• Adaptation
• Biotic Factors
• Limiting Factors

The STRUGGLE between organisms to survive in a habitat with LIMITED resources is called

• Predation
• Competition
• Symbiosis
• Parasitism

The PROCESS in which a species becomes better suited to its environment is called

• Natural Selection
• Adaptation
• Symbiosis 
• Niche

A close RELATIONSHIP between two species that benefits at least one of the species is called

• Competition
• Adaptation
• Symbiosis
• Natural Selection

Which of the following describes an interaction in which one organism KILLS and EATS another?

• Competition
• Mutualism
• Predation
• Symbiosis

Mutualism, commensalism, and parasitism are the three types of 

• Prey Adapatation
• Predation
• Symbiosis

The thick fur of a polar bear is a(n) ____________ that allows the bear to live successfully in its environment.

• Competition
• Adaptation
• Symbiosis
• Natural Selection

Ticks feed on the blood of mice in a symbiotic relationship called __________________

• Mutualism
• Commensalism
• Parasitism
• Natual Selection

A Bald Eagle building a nest on the branches of a tree without hurting the tree is an example of the symbiotic relationship called

• Mutualism
• Commensalism
• Parasitism
• Natural Selection