(01.01 mc)

1. read the given list of organisms.

snake, hawk, shark, leopard, fox

what best describes the role of these five organisms in a food web? (3 points)
carnivores, as they obtain food from other animals
consumers, as they feed on either producers or meat
herbivores, as they obtain food from plants
consumers, as they make their own food
2.
(01.01 hc)

the diagram below shows a food web in a woodland. (3 points)

a food web diagram showing cornstalks with two arrows pointing away from it. one of the arrows points to the letter x and the other arrow points to a grasshopper. there are two arrows pointing away from the grasshopper. one is pointing to a baby sparrow and the other to the letter y. there is an arrow pointing away from the baby sparrow to a snake and an arrow pointing away from the letter x to the snake.

if a certain organism is a secondary consumer, what best explains its position in the food web?
x, because organism x feeds on producers
y, because organism y feeds on producers
x, because organism x feeds on a carnivore
y, because organism y feeds on a herbivore
3.
(01.03 lc)

what is the energy change taking place when an arrow is released from a bow? (3 points)
potential energy to kinetic energy
kinetic energy to potential energy
radiant energy to chemical energy
chemical energy to radiant energy
4.
(01.04 lc)

which of these is true about the total amount of energy in a closed system? (3 points)
decreases
destroyed and created
increases
remains the same
5.
(01.04 mc)

which statement is correct about a flashlight battery? (3 points)
light energy and heat energy are created by it.
the total energy of the system decreases.
its chemical energy is transformed into light energy.
chemical energy is destroyed when the flashlight stops working.