Mrs. Boyd's Semester 2 Review- 7th Grade

Which conclusion is supported by the information on the map?

Based upon the data, in which part of the world has the environment had the least effect on species extinctions?

The picture below shows one way that humans and mosquitoes interact.What is the best classification of this relationship

Jana works in the field studying gorillas. Ali works in a laboratory conducting experiments. How does their work differ?

If you cross genotype GG with genotype gg. What are all of the possible genotypes of the offspring?

What change in the limiting factors could have caused the population change that occurred between 2001 and 2002?

If the information was used to make a food web diagram, which two organisms are most likely to be connected by an arrow?

How can the daughter have the genetic trait if no one else in the family has it?

How does the genetic info of a new organism produced sexually compare to the genetic info of its parents?

After experimentation, which of the following additional steps should one undertake to strengthen their ideas?

Which organism in this food web is a primary consumer based on how they get the energy they need.

Francis conducted an experiment to investigate the type of food preferred by pillbugs. Which step most likely came last?

A champion dog is bred with a male dog for certain traits to have winning puppies. What form of biotechnology is this?

Food webs contain a variety of organisms. Which statement can be used to describe all of the organisms in a food web?

Dr. Anderson conducted an experiment, as shown in the illustration below. Which variable did he most likely manipulate?

What characteristic was used to divide the limiting factors into these two groups?

Scientists frequently use models in their investigations. Which is a characteristic of all models?

Which of the following labeled cell parts best identifies the location of genes?

Which two areas of science are most likely to be concerned with the study of fossils?

What observation about the natural world does Darwin's theory of evolution explain?

What cannot happen to energy according to the law of conservation of energy?

Based on the relationships between organisms and limiting factors, which of the following statements is NOT true?

The illustration below shows 4 birds found in different areas of the world.What inference can be made about these birds?

Herbicides kill plants. Which best describes the effect of herbicides being applied to all of the plants in a food web?

Emily planned an experiment. Why is it important for her to control variables during the experiment?

Hypothesis: A snake will be more active when the heat lamp is on. What is the outcome variable in this experiment?

Hypothesis: Crickets chirp more frequently when the temperature of their environment increases. What is the IV & DV?

Pelicans, crabs, and snails all depend on mangrove trees.How would a decrease in mangroves impact these organisms?

What can you conclude from the results of the Punnett square?

New species evolve from earlier species. What does the fossil record indicate about these earlier species?

The sex cells of a dolphin each contain 22 chromosomes. How many chromosomes will be found in a dolphin's body cells?

Extinction is the dying out of a species. What can lead to the extinction of a species if the environment changes?

Bees eat nectar found in flowers. In the process, bees carry pollen from flower to flower;Flowering plants reproduce.

Which option describes a way in which biotechnology could have caused this difference in size in the tomatoes?

Which statement best summarizes this reproductive process?

Devon examines a small model of a palm tree. Which is a benefit of this model?

Many factors limit populations in ecosystems. Which factor limiting population growth has been most affected by humans?

Which of the following describes a benefit of using scientific methods?

A scientist wants to know why the honeybee population is declining. Which step would the scientist most likely do first?

The body cells of an organism contain 32 chromosomes. How many chromosomes will be found in the organism's sex cells?

Mina studied the model below. What is a benefit of this model?

In a lab, labels on the mouse cages were removed. What would allow scientist to determine if the mice are clones?

Pandas are native to China and only eat bamboo. What will happen if the habitat in which the bamboo grows is destroyed?

Emily wants to study nesting habits of cardinals. Why did she choose a field study over other types of investigations?

Complete the Punnett square. What are the outcomes? What would be the genotype of the offspring?