Flowering plants are complex organisms composed of various structures that work together to perform specific functions. What type of structure is formed by a group of similar cells that work together to perform a specific function?

Cells perform all life functions. Which of the following identifies the units that make up cells?

An important characteristic for cells is the ability to maintain homeostasis. Which of the processes below helps to regulate the amount of materials inside cells?

The cell membrane constantly moves materials into and out of the cell to help the cell maintain homeostasis. Which word best describes what happens as a result of homeostasis?

Lucia was looking at cells with a microscope. She knows the cells are classified as either plant cells or animal cells. How can she confirm that these cells are plant cells?

Helena wrote the names of organelles on index cards. She then wrote the functions of the organelles on other index cards. Which of the following is a correct pair between the name and function of organelles?

Emilio stepped on a thumbtack with his bare foot. He yelled and immediately jerked his leg. Which two systems were responsible for the way Emilio responded?

Viruses, bacteria, fungi, and parasites are types of infectious agents that may infect the human body and cause disease. How do bacteria, fungi, and parasites differ from viruses?

Trichinosis is a disease that can be spread to humans when raw or undercooked pork is eaten. The disease is caused by a roundworm that lives within the body of a pig. What type of infectious agent causes trichinosis?

Every organism requires a set of instructions that specifies its traits. This information is carried within the cells of the organism. Which of the following best describes hereditary information in eukaryotic cells?

Some organisms reproduce sexually and have two parents. How does the genetic information of a new organism produced through sexual reproduction compare to the genetic information of its parents?

For a particular trait, B is dominant to b. Which of the following genetic crosses would be expected to result in 50% of the offspring showing the phenotype of the dominant allele and 50% showing the phenotype of the recessive allele?

Two of the types of relationships organisms can have are called mutualism and parasitism. Which of the following best compares these two types of relationships?

There are many different factors in ecosystem that can limit population sizes. Which of the following lists two limiting factors that are due to interactions between living things?

Panthers used to live all over the United States, but they moved out of areas as humans developed cities. Now, panthers are an endangered species that is found only in Florida. What limiting factor has most impacted the panther population?

Food webs contain different kinds of organisms. How are all of the decomposers in a food web similar?

Feeding relationships in an ecosystem are shown in a food web. Which best summarizes the relationship between producers and consumers in any food web?

All organisms require energy to carry out the processes that keep them alive. Which of the following is a process that organisms use to obtain the energy they need from food?

The word equation below shows a process that organisms use to obtain energy from food. Glucose + Oxygen ➜ Carbon dioxide + Water + Energy What process is represented by the equation?

During photosynthesis, plants use the energy in sunlight to drive a chemical reaction. What happens to the light energy that is used to carry out photosynthesis?

Food chain show the flow of energy in an ecosystem. How does a food chain illustrate the law of conservation of energy?