Review Test 5-1

Review Test 5-1

1. Which of these human traits is least likely inherited from patents?

A.height(short or tall)B.Quality of diet (good or

poor)C.Gender(male or female)D.Hair color(light or dark)

B. Quality of diet (good or poor)

2. White fur is a recessive trait in a particular mammal. If two of the white mammals mate, their offspring will most likely be-A. 50% black and 50% whiteB. 100% grayC. 100% whiteD. 100% black

c. 100% white

KeyHair color: B= brown b= blondeEye color: B= brown b= blueHair type : C= curly c= straight

Parent Hair color genes

Eye color genes

Hair type genes

Mother BB bb cc

Father bb Bb cc

3. What are the chances that these two parents will produce an offspring with blue eyes?

A. 25 %B. 50 %C. 75 %D. 100 %

B. 50 %

KeyHair color: B= brown b= blondeEye color: B= brown b= blueHair type : C= curly c= straight

Parent Hair color genes

Eye color genes

Hair type genes

Mother BB bb cc

Father bb Bb cc

4. Which of these describes the physical traits of the mother?

A. Blonde hair; blue eyes; straight hairB. Brown hair; brown eyes; curly hairC. Brown hair; blue eyes; straight hairD. Blonde hair; brown eyes; straight

hair

D. Blonde hair; brown eyes; straight hair

Fox

Rabbit

5. If the grass is removed from the food web, which of these will be first to change in population?

A. FoxB. RabbitC. All of the aboveD. None of the above

B. Rabbit

6. Bacteria in a food web is important to the ecosystem because they-A. Provide energy for the producers to

make food.B. Help recycle the materials that

make up the other organisms.C. Provide energy for the consumers to

survive.D. Help the water cycle to keep

working.

B. Help recycle the materials that make up the other organisms.

7. A student makes several observations while studying cows. Which of the following observed characteristics is controlled by the genetic coed found in the DNA of the cows?

A. Cow birds eat bugs near the cows.B. All of the cows avoided poison oak.C. All of the cows have four legs.D. The cows move toward the barn as

the sun goes down.

C. All of the cows have four legs.

8. Which of the following produces most of the carbon dioxide gas in the aquarium system?

A. FishB. PlantsC. WaterD. rocks

A. Fish

9.The carrying capacity of an ecosystem is least dependent on the amount of available-A.Rocks and mineralsB.EnergyC.Food and waterD.nutrients

A. Rocks and minerals

10. The best example of carrying capacity is-A. The maximum weight a person can

carryB. Storing food for winterC. The maximum number of a

population that a habitat can support

D. Lifting food and carrying it to another habitat.

C. The maximum number of a population that a habitat can support.

11. A likely reason for an increase in a deer population is-A. The development of a housing

subdivision in the deer habitat.B. Several years of drought.C. Competition with other animals

that eat grass and shrubs.D. A decrease in the number of

natural predators of the deer.

D. A decrease in the number of natural predators of the deer.

12. Which process below uses carbon dioxide and the sun’s radiant energy to produce chemical energy?A.EvaporationB.PhotosynthesisC.RespirationD.Decomposition

B. Photosynthesis

13.

C. Glucose

14. Which cell is only found in animal cells and used during cell division?

A.CytoplasmB.CentriolesC.VacuolesD.Cell wall

B. Centrioles

15. What cell component stores chlorophyll ?A.ChloroplastB.CytoplasmC.NucleusD.Ribosome

A. Chloroplast