How Organisms Obtain Energy

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1

Which statement correctly explains the first law of thermodynamic

systems change from states of order to disorder (enthropy)

a zygote is formed when an egg and sperm unite

energy can change form but it cannot be created or destroyed

energy can spontaneously form or disappear like magic

Nearly all of the energy on Earth comes from the

Sun

Moon

Ocean

Air

Plants and some bacteria are autotrophs. Which is true of autotrophs?

they eat plants

they make their own food by changing sunlight into chemical energy

they eat meat

they break down already dead animals

Heterotrophs get their energy from

the sun

eating food

osmosis

diffusion

In catabolic pathways energy is _________ by breaking larger molecules into smaller molecules.

stored

released

In anabloic pathways energy is _________ by breaking larger molecules into smaller molecules.

stored

released

What reaction changes light energy from the sun into chemical energy?

Fermentation

Cellular Respiration

Photosynthesis

Cells store chemical energy in

ATP

vacuoles

the nucleus

the plasma membrane

ATP releases energy when the bond between the phosphate groups are broken

True

False

Low energy molecule is ADP. How can ADP be changed back into ATP?

by capturing sunlight

by adding a phosphate group

by magic

by creating a double carbon bond

How Organisms Obtain Energy

How Organisms Obtain Energy

Which statement correctly explains the first law of thermodynamic

Nearly all of the energy on Earth comes from the

Plants and some bacteria are autotrophs. Which is true of autotrophs?

In the digarm, which organism is a heterotroph

Cellular respiration breaks down organic molecules into carbon dioxide, water, and ....

Which statement correctly explains the first law of thermodynamic

Nearly all of the energy on Earth comes from the

Plants and some bacteria are autotrophs. Which is true of autotrophs?

Heterotrophs get their energy from

In the digarm, which organism is a heterotroph

In catabolic pathways energy is _________ by breaking larger molecules into smaller molecules.

In anabloic pathways energy is _________ by breaking larger molecules into smaller molecules.

What reaction changes light energy from the sun into chemical energy?

Cellular respiration breaks down organic molecules into carbon dioxide, water, and ....

Cells store chemical energy in

ATP releases energy when the bond between the phosphate groups are broken

Low energy molecule is ADP. How can ADP be changed back into ATP?

Heterotrophs get their energy from

In catabolic pathways energy is _________ by breaking larger molecules into smaller molecules.

In anabloic pathways energy is _________ by breaking larger molecules into smaller molecules.

What reaction changes light energy from the sun into chemical energy?

Cells store chemical energy in

ATP releases energy when the bond between the phosphate groups are broken

Low energy molecule is ADP. How can ADP be changed back into ATP?