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% white B. 100% gray C. 100% white D. 100% black

c. 100% white

Key Hair color: B= brown b= blonde Eye color: B= brown b= blue Hair type : C= curly c= straight ParentHair color genes Eye color genes Hair type genes MotherBBbbcc FatherbbBbcc 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 %

Key Hair color: B= brown b= blonde Eye color: B= brown b= blue Hair type : C= curly c= straight ParentHair color genes Eye color genes Hair type genes MotherBBbbcc FatherbbBbcc 4. Which of these describes the physical traits of the mother? A. Blonde hair; blue eyes; straight hair B. Brown hair; brown eyes; curly hair C. Brown hair; blue eyes; straight hair D. Blonde hair; brown eyes; straight hair

Fox Rabbit Grass 5. If the grass is removed from the food web, which of these will be first to change in population? A. Fox B. Rabbit C. All of the above D. 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. Fish B. Plants C. Water D. rocks

A. Fish

9.The carrying capacity of an ecosystem is least dependent on the amount of available- A. Rocks and minerals B. Energy C. Food and water D. nutrients

A. Rocks and minerals

10. The best example of carrying capacity is- A. The maximum weight a person can carry B. Storing food for winter C. 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.

12. Which process below uses carbon dioxide and the sun’s radiant energy to produce chemical energy? A. Evaporation B. Photosynthesis C. Respiration D. Decomposition

B. Photosynthesis

13.

C. Glucose

14. Which cell is only found in animal cells and used during cell division? A. Cytoplasm B. Centrioles C. Vacuoles D. Cell wall

B. Centrioles

15. What cell component stores chlorophyll ? A. Chloroplast B. Cytoplasm C. Nucleus D. Ribosome

A. Chloroplast