Biology B Semester Exam please help me 10 points for 6 questions What is a benefit of using a model?
A. predicts conditions of future events
B. predicts conditions of future events
C. provides a visual guide for abstract concepts
D. provides a visual guide for abstract concepts
Which term is used to describe a two-phase anabolic pathway in which light energy is converted into chemical energy?(1 point)
a. decomposition
b. cellular respiration
c. chemosynthesis
d. photosynthesis
Prokaryotic cells that can use cellular respiration to make energy perform some of that process using the cell membrane, since they lack membrane-bound organelles. Eukaryotic cells, on the other hand, start the process of cellular respiration and finish it .(1 point)
a. in the mitochondria; in the cytoplasm
b. in the cytoplasm; in the mitochondria
c. in the Golgi apparatus; on the cell membrane
d. on the cell membrane; in the Golgi apparatus
Scientists are concerned about bee species dying off. They are pollinators, and if they are gone, many plant species will die off because they cannot reproduce. This will cause a population crash. What will happen to biodiversity and sustainability as a result?(1 point)
a. Biodiversity will decrease, and sustainability will decrease.
b. Biodiversity will increase, and sustainability will decrease.
c. Biodiversity will decrease, and sustainability will increase.
d. Biodiversity will increase, and sustainability will increase.
Grasses are the dominant producers in the prairie ecosystem. Mice eat the grass seeds, snakes eat the mice, and hawks eat the snakes.
The mass of a hawk is around 500 grams.
In this ecosystem, how many hawks can be supported by 250,000 kilograms of producers?
Recall that 1 kilogram is equivalent to 1,000 grams
a.250
b.500
c.5,000
d.0.5
The following diagram shows a typical food pyramid:

Hawks
Snakes
Mice
Grass
If 100,000 kJ of energy is available to the producers, how much energy is available to the secondary consumers in this food pyramid?
a.1,000 kJ
b.100 kJ
c.10,000 kJ
d.10 kJ