Trout

Trout eggs have ____ eggs and a central line

• black

• camouflaged

• redd

• oxygen

• birth place

Occurs when the alevin absorb their yolk sac and begins to feed on zooplankton

• yolk sac

• buttoning up

• adult

• color

• colder

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Trout turn vibrant in _____ when they are ready to spawn

• yolk sac

• buttoning up

• adult

• color

• colder

Tags

NGSS.MS-LS1-4

It takes longer for trout eggs to hatch in ____ water.

• yolk sac

• buttoning up

• adult

• color

• colder

Tags

NGSS.MS-LS1-5

Once a juvenile, the trout avoids predators by hiding in underwater ____ and brush

• roots

• autumn

• gravel

• time

• temperature

Tags

NGSS.MS-LS2-1

Adult rainbow trout spawn in _____

• roots

• autumn

• gravel

• time

• temperature

Tags

NGSS.MS-LS1-4

Alevin stay close to the ____ to avoid predators

• roots

• autumn

• gravel

• time

• temperature

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Trout know when it is _____ to spawn

• roots

• autumn

• gravel

• time

• temperature

Tags

NGSS.MS-LS1-4

Only 5-10 ____ of trout live to spawn. Many are eaten, die due to disease or lack of food or lack of oxygen.

• fifty

• inches

• percent

• three

• twelve

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Trout make the trip to spawn when they are

____ - 4 years old.

• fifty

• inches

• percent

• three

• twelve

Tags

NGSS.MS-LS1-4