MCA Science Prep

Which of the following is an example of a decomposer at work in the food web?

• A fungus growing on a log

• A seagull catching a fish

• A tree growing in a field

• A grasshopper eating leaves

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Energy from the Sun is distributed around Earth by

• subduction and rift zones

• radiation and convection

• solar flares

• tectonic plates

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Which of these best describes the niche of a lion?

• Parasite

• Prey

• Predator

• Producer

Tags

NGSS.MS-LS2-2

According to this equation, what happened to the carbon and oxygen?

C + O₂ → CO₂

• They combined physically to form a new mixture.

• They combined chemically to form a new compound.

• They combined physically to form a new element.

• They combined chemically to form carbon and oxygen

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

This flashlight uses three different forms of energy. Which of these shows the energy changes in the correct order?

• Mechanical → heat → chemical

• Heat → chemical → light

• Chemical → electrical → light

• Electrical → mechanical → chemical

Tags

NGSS.MS-PS3-5

Because zinc can combine with other substances but cannot be changed into a simpler substance by an ordinary chemical process, zinc is classified as -

• an element

• an acid

• a mixture

• a compound

According to this chart, which of these animals is a sea lion?

• 
• 
• 
• 

Which of these populations is most likely to increase if the number of grasshoppers decreases?

• Owl

• Plant

• Frog

• Praying Mantis

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A plant's green color is due to the presence of which organelle?

• Chloroplast

• Nucleus

• Vacuole

• Mitochrondria

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-2

In the food web shown, which of the following consumers eats only producers?

• Hawk

• Owl

• Mouse

• Fox

Tags

NGSS.MS-LS2-2