Lesson 2: Interactions with Ecosystems Review

Symbiotic relationships occur when two organisms live in _____ ______ and form a relationship.

• different environments

• complete chaos

• direct contact

• indirect contact

a symbiotic relationship that benefits one species but does not harm or benefit the other

• mutualism

• commensalism

• parasitism

a symbiotic relationship that benefits one species and harms the other

• mutualism

• commensalism

• parasitism

a symbiotic relationship where both partners benefit

• mutualism

• commensalism

• parasitism

members of the same species work together toward a common goal that helps them survive

• cooperative relationships

• predator-prey relationships

• competitive relationships

one organism eats another, prevent overpopulation and keeping populations healthy by capturing the ill or injured in this relationship

• cooperative relationships

• predator-prey relationships

• competitive relationships

Tags

NGSS.MS-LS2-2

organisms with the same habitat compete for the same resources in this relationship

• cooperative relationships

• predator-prey relationships

• competitive relationships

a close, long-term relationship between two species that usually involves an exchange of food or energy

• symbiosis

• cooperation

• mutualism

• competition

Tags

NGSS.MS-LS2-3

Cattle egrets (type of bird) foraging in fields among cattle. The egret gets easy access to food and the cattle don't care if they are there or not.

• mutualism

• commensalism

• competition

• parasitism

Tags

NGSS.MS-LS2-2

A tapeworm and a dog have this type of relationship.

• mutualism
• parasitism
• commensalism
• competition

Tags

NGSS.MS-LS2-2