as you go up a pyramid you_____ energy
lose
another word for producers is
Decomposers
How do new organisms evolve?
Natural selection
What kind of food do plants make?
Glucose
What do gills help fish do?
Breathe and get oxygen
what is the bottom level in a pyrmid
producers
Organisms that eat only meat are called
Carnivores
Natural selection states that organisms with better adaptations will ____ and ____.
Survive and reproduce
What part of the plant does photosynthesis take place?
leaves
Why would animals hibernate
To save energy/food in the winter
What kind of energy is stored in glucose?
Which of these organisms would have the LEAST energy available if they were in a food chain together?
(choices: bear, seeds, bird, fox)
Bear
What is a change that increases an organism's chance of survival
What are 2 products in photosynthesis?
glucose and oxygen
What is one adaptation that birds do?
Migrate
who has the MOST energy in a food web
500 kCal
Which trophic level has the MOST energy available?
Producers
What is humans breeding organisms together to produce desirable traits?
Selective breeding
What are 3 reactants in photosynthesis?
Water, carbon dioxide, and sunlight
What adaptation do birds have that help them fly?
Hollow bones
What is the energy transformation in photosynthesis?
(___________ --> _____________)
Radiant --> Chemical
Arrows in food webs stand for
Energy transfer
What word means differences among individuals of the same population
Variation
what is phtosynthesis
Chloroplast
Tubes that pull water through the plant are called
Xylem