Photosynthesis
What goes in to photosynthesis?
carbon dioxide and water
What goes in to cellular respiration?
glucose and oxygen
Which of the following eats producers?
Carnivore
Herbivore
Bacteria
Fungi
2. Herbivore
List 3 biotic factors
3 living organisms (varies)
What is the growth response of plant organs or changes in their growth direction in reaction to the force of gravity?
gravitropism
What is made in photosynthesis?
glucose and oxygen
What is made in cellular respiration?
carbon dioxide and water
Plants and algae are the first organisms in most food chains because they are both ___.
Consumers
Producers
Scavengers
Decomposers
2. Producers
List 3 abiotic factors
A biological response where a plant bends or grows in response to light
phototropism
What organelle does photosynthesis occur in?
chloroplast
What organelle does cell respiration occur in?
mitochondria
What do a snake, a hawk, and fox all have in common?
They all produce their own food.
They all get most of their energy from eating animals.
They all get most of their energy from eating plants.
They are all decomposers.
2. They all get most of their energy from eating animals.
Which of these contains both biotic and abiotic elements in a desert environment?
Rocks and sunlight
Water and pebbles
Scorpions and sand
Roadrunners and snakes
3. Scorpions and sand
What is it called when growth and development are temporarily stopped, due to cold temperatures, short daylight hours, and the need to conserve energy and resources.
winter dormancy
Why do plants do photosynthesis?
So they can make food to do cell respiration and get energy.
Some animal cells, like muscle cells, require the use of more energy. What kind of cell organelle would you expect to see more of?
mitochondria
Hawks, grasses, songbirds, and caterpillars are some organisms found in an ecosystem. Which is the correct order for energy transfer in this ecosystem?
Caterpillars → hawks → grasses → songbirds
Grasses → caterpillars → songbirds → hawks
Hawks → caterpillars → grasses → songbirds
Songbirds → grasses → hawks → caterpillars
2. Grasses → caterpillars → songbirds → hawks
Which of these lists identifies only biotic factors in a desert ecosystem?
Sand, sunlight, rock, cacti
Producers, consumers, and decomposers
Plants, animals, sand, and rocks
Air, cacti, lizards, and soil nutrients
2. Producers, consumers, and decomposers
What is excessive richness of nutrients in a body of water which causes algae and plant growth which leads to death of animal life from lack of oxygen
eutrophication
Which of these is an advantage to life on land for plants?
More direct sunlight
Less carbon dioxide
Greater space to grow
Less competition for food
1. More direct sunlight
What is the equation for cellular respiration?
C6H12O6 + 6 O2 --> 6 H2O + 6 CO2
What benefit do wastes broken down by decomposers provide to grassland soil?
They improve soil fertility.
They decrease soil fertility.
They provide no benefit.
They provide food for animals.
1. They improve soil fertility.
Which is an example of an abiotic factor changing an area?
Introducing a new type of grass
Water flooding the area
Two species of birds competing
Algae growing on crab grass.
2. Water flooding the area
What is it called when an ecological process where an area without previous life, like newly formed volcanic rock, is gradually colonized by species, eventually leading to a more complex ecosystem.
primary succession