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Beechdrops ( Epifagus virginiana ) are leafless plants that lack chlorophyll. Beechdrops get - PowerPoint PPT Presentation


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Beechdrops ( Epifagus virginiana ) are leafless plants that lack chlorophyll. Beechdrops get their nourishment from the roots of beech trees, which reduces the amount of nutrients available to the trees themselves. This interaction is best described as — A. predatory B. parasitic

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Beechdrops (Epifagus virginiana) are leafless

plants that lack chlorophyll. Beechdrops get

their nourishment from the roots of beech trees, which reduces the amount of nutrients available to the trees themselves. This interaction is best described as —

A. predatory

B. parasitic

C. commensalistic

D. mutualistic


According to this food web, which of these is an omnivore?

A. Caterpillar

B. Mouse

C. Ant

D. Fly larva


Which molecule provides most of the energy used to drive chemical reactions in cells
Which molecule provides most of the energy used to drive chemical reactions in cells?

A. DNA

B. RNA

C. ATP

D.ADP


Photosynthesis

PHOTOSYNTHESIS chemical reactions in cells?

To create

Light

Purpose: Plants use light to create sugars (glucose-C6H12O6)


What is photosynthesis
What is photosynthesis? chemical reactions in cells?

  • The process in which plants convert light energy into chemical energy (food glucose).

  • Happens in the chloroplast


Photosynthesis equation
Photosynthesis Equation chemical reactions in cells?

  • PHOTOSYNTHESIS EQUATION:

    It will be on every quiz and your unit test!

    Carbon dioxide + water + E → glucose + oxygen

    6CO2 + 6H2O + E → C6H12O6 + 6O2

    (reactants)(products)

light

enzymes

takesin

produces

Light

Enzymes


Chloroplast

Thylakiod chemical reactions in cells?: sac like membranes

Stroma: space between thylakiods

Grana: stack of thylakiods

Chloroplast


Within the chloroplast pictured above are disc like structures arranged in stacks called grana. The stack like membranes contains pigments that absorb light energy. The individual disc-like shaped structures labeled A are called ____.

A. chlorophyll

B. thylakoids

C. stroma

D. Golgi apparatus

A

B


Which word summary word equation best describes a process that directly requires light energy
Which word summary word equation best describes a process that directly requires light energy?

A. water + carbon dioxide  glucose + oxygen

B. glucose + glucose  maltose + water

C. glucose  alcohol + carbon dioxide + ATP

D. water + glucose  oxygen + carbon dioxide  ATP


Vein that directly requires


Water enters the plant through the that directly requires roots and travels up to the leaf through the veins.

Water then travels to each cell through a process known as OSMOSIS.


Stomata that directly requires

Stomata are the little “holes” on a plant leaf that regulates the gas exchange in plants.


Carbon dioxide enters the leaf through the that directly requires stomata.

Carbon dioxide then travels to each cell through a process known as Diffusion.


Which structure regulates gas exchange during the processes of photosynthesis and respiration
Which structure regulates gas exchange during the processes of photosynthesis and respiration?

A. Q

B. R

C. S

D. T


Products and reactants in photosynthesis
Products and Reactants of photosynthesis and respiration?in Photosynthesis

  • Reactants- Carbon Dioxide and Water

  • Products- Glucose and Oxygen

  • There is NO ATP gain during photosynthesis!

    • *****Remember the ATP Cycle*****


Light and pigments
Light and Pigments of photosynthesis and respiration?

  • Photosynthesis depends onpigments -proteins that absorb some light and reflect others.

    • Examples: chlorophyll and carotene


Light and pigments1
Light and Pigments of photosynthesis and respiration?

  • Chlorophyll absorbs blue, violet, and red light, but reflects green light.

    • This is why plants are green.

  • Carotene reflects orange light.


Which compound is a product of photosynthesis and a reactant for cellular respiration
Which compound is a product of photosynthesis and a reactant for cellular respiration?

A. carbon dioxide

B. water

C. glucose

D. energy


Why are photosynthesis and cellular respiration often considered opposites
Why are photosynthesis and cellular respiration often considered opposites?

A. Photosynthesis produces twice as many ATP molecules as cellular respiration does.

B. Water is released during photosynthesis and consumed during cellular respiration.

C. Photosynthesis occurs during the day, and cellular respiration occurs at night.

D. Oxygen is produced during photosynthesis and used during cellular respiration


Big picture
BIG PICTURE considered opposites?

  • Plants release oxygen

  • Animals bring in oxygen

  • Plants create glucose

  • Animals eat glucose

  • Animals breathe out water

  • Plants bring in water


Big picture1

Oxygen considered opposites?

Glucose

Carbon Dioxide

water

BIG PICTURE

  • Plants and animals work together to create the carbon cycle:


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