BELLRINGERS
GRADE 7   SCIENCE 
TANGIPAHOA PARISH SCHOOL SYSTEM     Prepared by Paulette Walkwitz

LIFE SCIENCE

1.    Identify  the parts of an animal cell.

2.    Identify the parts of a plant cell.

3.   Compare plant and animal cell structures.     

4.    Explain the process of photosynthesis using a word equation.       

5.    Explain the process of respiration using a word equation.

6.    Explain aerobic respiration in cells.

7.    Explain anaerobic respiration in cells.    

8.    Identify the  major organs of the human system.

9.    Describe the function of the major organs of the human system.

10.   Explain how major organs interact to sustain life.

11.   How do external factors influence quality and length of human life.

12.   How does genetics influence quality and length of human life.

13.   How are communicable and noncommunicable diseases transmitted, treated, and prevented?

14.   Describe sexual reproduction.

15.   Describe asexual reproduction.

16.   Compare mitosis and meiosis.

17.   Why do chromosomes in body cells exist in pairs?

18.   How are genes related to chromosomes?

19.   Explain how a Punnett square is used to determine offspring in simple monohybrid crosses.

20.   Identify dominant, recessive, and incomplete dominant traits.

21.  Identify an example of selective breeding. 

22.  How is a dichotomous key used to classify organisms.

23.  Identify organisms with complete metamorphosis.

24.  Identify organisms with incomplete metamorphosis.

25.  Compare the life cycle of a plant to that of an animal.

26.  Describe major biomes of the world.

27.  Identify the levels of organization of living things within an ecosystem.

28.  Identify mutualistic relationships among plants and animals.

29.  Identify parasitic relationships among plants and animals.

30.  Identify producer/consumer relationships among plants and animals.

30.  Differentitate between a habitat and a niche.

31.  Define "behavioral adaptations."

32.  Define "structural adaptations."

33.  What happens when nonnative species are introduced into an ecosystem?

34.  How do variations in individual organisms within a population determine the success of the population.

35.  Identify environmental factors that impact the survival of a population.


SCIENCE AND THE ENVIRONMENT

1.  Identify resources that humans derive from ecosystems (wetlands, tropical rainforrests, tundra).

2.  Identify the role of biotic components in various ecosystems.

3.  Identify the role of abiotic components in various ecosystems.

4.  What are the effects of limiting factors on a given population?

5.  What are the positive and negative effects that human use of technology has on the environment?

6.  What are the consequences of human actions on ecosystems?

7.  Explain why the nitrogen cycle is important to the survival of organisms.

8.  How is photosynthesis  related to the carbon cycle?

9.  How is respiration related to the carbon cycle?