Chemosynthesis relies on which source of energy?

• Nuclear

• Thermal

• Light

• Chemical

Answer explanation

Chemosynthesis uses chemicals to make sugar!

Instead of sunlight to make sugar, like plants do in photosynthesis.

The snake is a ___?

• Primary Producer

• Tertiary Consumer

• Primary Consumer

• Secondary Consumer

Answer explanation

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Chemical energy from the sun occurs via​ (a)   in producers or via ingesting food in consumers; this energy allows the flow of matter into and out of a cell. Chemical energy is made into usable energy through ​ (b)   , but all stored energy can't be made into ATP, some of it is released into the ecosystem as​ ​ (c)   .

• photosynthesis
• respiration
• heat
• waste

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

NGSS.MS-LS2-3

The approximate amount of energy lost as heat as energy is passed to the next trophic level?

• 10%

• 40%

• 50%

• 90%

Tags

NGSS.MS-LS2-3

Do plant AND animal cells have mitochondria?

• No; plants use chloroplasts the way animals use mitochondria.

• Yes; they both need mitochondria for cellular respiration.

• No; plants don’t perform any processes for which mitochondria would be used.

• Yes; they both need mitochondria to convert radiant energy into chemical energy.plant and animal

  plpl

Answer explanation

Mitochondria are what do cellular respiration in a living thing.

Mitochondria turn glucose into ATP that our cells can use to work.

Tags

NGSS.MS-LS1-3

Match the following!

• Producers

• Fifth level of the food chain

• Secondary Consumers

• Second level of the food chain

• Quaternary Consumers

• Fourth level of the food chain

• Tertiary Consumers

• First level of the food chain

• Primary Consumers

• Third level of the food chain

What is an organism that consumes another organism for nutrients?

• heterotroph

• decomposer

• autotroph

• detritivore

Tags

NGSS.MS-LS2-3

How much energy will be available to the tertiary consumer in the food pyramid?

• 10 kJ

• 1000 kJ

• 100 kJ

• 10000 kJ

Answer explanation

Each level only gets 10% of the energy from the level before it, so drop a 0 as you go to the next level.

Tags

NGSS.MS-LS2-3

​ ​ (a)   uses chemical energy to make organic matter in ​ ​ (b)   environments without ​ (c)   weather. This allows these organisms to be ​ (d)   and supply energy to ​ (e)   .

• chemosynthesis
• extreme
• sunny
• producers
• consumers
• photosynthesis

Tags

NGSS.MS-LS2-3

What is the ultimate power?!?! Or as some would day, energy?

• Oxygen

• Glucose

• Carbon Dioxide

• The Sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3