1
Which of these converts light energy to chemical energy
A. The bulb of a lamp
B. The battery of a flashlight
C. The leaf of a plant
D. The screen of a computer.
Grass --> Prairie Dog --> Coyote
Which organism in the food chain shown above is responsible for transforming radiant energy into chemical energy?
Grass
6CO2 + 6H20 > LIGHT/CHLOROPHYLL > C6H12O6 + 6O2
The equation above describes the chemical reaction that occurs during photosynthesis. What happens to the light energy that is shown in the reaction?
A. It is destroyed during the reaction
B. It is released when the reaction is complete
C. It is converted into chemical energy during the reaction
D. It is changed into atoms of carbon and oxygen during the reaction.
What Process in the natural world produces chemical energy from radiant energy?
Photosynthesis
Why is sunlight necessary to the process of photosynthesis?
The process cannot happen without sunlight
A Dichotomous key has how many forks at each decision point?
2
Most organisms have coloration that helps them blend with their surroundings, male peacocks have color feathered tails that stand out.
This adaptation is used for what?
Attracting mates.
Usually in the wild if an reptile has an adaptation of brightly colored skin, this has adapted to them for survival by being what?
A. It helps it to hide amongst the trees
B. It helps them to sneak up on prey
C. It serves as a warning to hungry predators.
D. it prevents overheating in the tropical climate.
Some species of flowers have markings that are only visible to insects with the ability to see ultraviolet light waves. These markings help the plants ---
A. Avoid parasitic insects
B. attract pollen-gathering insects
C. seek out moisture in the soil
D. Create a strong scent to attract bats.
Mice can produce offspring every 20 days, elephants can produce offspring every 2 years.
What is an advantage of having only a few offspring every few years?
Parents can pay more attention to each offspring.
Over time sharks that have blue/gray tops and white bottoms have survived better than those that are blue/gray all over, this is an example of what in nature?
Natural selection.
Humans have selectively bred animals for many years. Selective breeding helps to produce favored traits in animals. one example is hens. which trait is achieved by selectively breeding hens.
A. No feathers
B. larger eggs
C. fewer eggs
D. offspring with longer legs.
Cattle have been kept by humans for many years. Which of these characteristics in cattle is most likely to have occurred because ranchers have used selective breeding?
What would be an advantage for a dog that was bought to be a guard dog?
A. long tail
B. loud bark
C. short snout
D. soft fur
Clydesdale horses are built to be massive and heavy animals built to have an extreme amount of muscle, what is the benefit for selectively breeding horses in this way?
A. to ride
B. pull or carry a very heavy load
C. Run forever without tiring
D. run very fast in races
What structure have fish adapted to be able to breathe under water?
Gills
a. They are 2 meters long
b. The ears help the elephant cool themselves on a hot day
c. they have blood vessels close to the surface
d. consist of thin layers of cartilage and skin
What force other than gravity helps food travel from the mouth to the stomach?
A. Chewing
B. movement of the tongue
C. squeezing by the esophagus
D. contraction of the stomach
What is the function of the skeletal system?
protects organs, provides framework for body, produces new red blood cells
what is the function of the excretory system?
dispose of wastes and control body fluids
Which human body system performs a function similar to that of the vascular system of a plant?
Excretory system
What is the purpose of the dichotomous key?
To break down organisms to their very specific origins, and to help be very specific to help scientists communicate more effectively.
What is natural selection?
the process by which adaptations and properties of a species survive and continue to be bred into the other naturally occurring members of that species
What is selective breeding?
When humans take animals and breed them to achieve certain characteristics that humans prefer.