Dynamic Ecosystems

Barnacles create home sites by attaching themselves to whales.

• Mutualism

• Commensalism

• Parasitism

Ticks feed on deer blood with harms the deer.

• Mutualism

• Commensalism

• Parasitism

Honey guide birds alert and direct badgers to bee hives. The badgers feed on the honey and then allow the birds to eat.

• Mutualism

• Commensalism

• Parasitism

Tags

NGSS.MS-LS2-2

The ants and the acacia tree living together and both receiving benefits.

• mutualism

• commensalism

• parasitism

A bird building their nest in a tree.

• mutualism

• commensalism

• parasitism

Tags

NGSS.MS-LS1-4

Food, water, sunlight, shelter, and space are resources that are often __________.

• limiting factors
• wet
• messy
• found in rocks

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Largest number of individuals of a population that the environment can support...  

• carrying capacity
• population crash
• lag phase
• mutualism

Organisms in an area and their non-living parts

• a food chain
• a habitat
• an ecosystem
• a food web

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A relationship where both organisms benefit is called __________.

• mutualism
• commensalism
• parasitism

A relationship where one organism benefits and one organism is harmed is called __________.

• mutualism
• commensalism
• parasitism