interactions/comm changes PRETEST

An organism's particular role in a habitat, or when and how it survives, is called its __________

• carrying capacity
• ecosystem
• competition
• niche

A hawk building its nest on the arm of a cactus is an example of ________

• commensalism
• mutualism
• parasitism
• predation

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

• habitats
• limiting factors 
• biotic factors
• adaptations

Tags

NGSS.MS-LS4-4

The struggle between organisms to survive in a habitat with limited resources is called ______________

• competition
• predation
• symbiosis
• parasitism

The series of changes that occur after a disturbance in an existing ecosystem is called ______________

• pioneer succession
• secondary succession
• primary succession
• predator succession

Tags

NGSS.MS-LS2-4

The first species to populate an area where primary succession takes place is called ______________________

• primary species
• secondary species
• pioneer species
• succession species

An insect looks like a leaf, so it blends in with its surroundings and is hard for predators to see. The insect's characteristic is an example of _______________.

• adaptation
• stimulus
• mutualism
• commensalism

Both species benefit in the type of symbiosis called ______________.

• parasitism
• mutualism
• commensalism
• predation

In a parasitic relationship, the organism that the parasite lives on/in is called the ________.

• host
• niche
• consumer
• decomposer

An increase in a predator population will most likely result in a decrease in the prey population.

• True
• False

Tags

NGSS.MS-LS2-4