These are interactions where organisms struggle to get the resources they need.

• grocery shopping
• hunger
• competition

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

There are 3 types of this relationship where 2 different species live together in a way that helps at least 1 of the species.

• Succession
• Symbiosis
• Conservation

Tags

NGSS.MS-LS2-2

There are no more of a species left.  The species is gone forever!

• Extinct
• Rare
• Unusual

Tags

NGSS.MS-LS2-5

NGSS.MS-LS4-1

Using less water and take care of the water we have is to ______________________.

• conserve
• drink
• pollute

What relationship is HAPPY HAPPY?

• parasitism
• mutualism
• commensalism

Tags

NGSS.MS-LS2-2

What controls the growth or survival of a population?

• extinct
• bugs
• limiting factors

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Honeysuckle and zebra mussels are taking over other animals and plants because they are _______________________________.

• bossy
• invasive species
• important

Tags

NGSS.MS-LS2-5

This relationship is HAPPY MEH.

• parasitism
• mutualism
• commensalism

This means a species is close to becoming endangered. 

• threatened
• growing
• invasive species

Tags

NGSS.MS-LS2-5

These relationships can be HAPPY SAD or HAPPY DEAD.

• competition
• parasitism
• commensalism

Tags

NGSS.MS-LS2-2