Your teacher asks you to design an experiment that shows how plants respond to changes in their environment. You have two identical sprouted seeds for your experiment, and you may add any additional equipment of your choosing. Using the scientific method, design an experiment that meets your teacher’s criteria. Which step of the scientific method corresponds to this statement: Do the stems of plants always grow upward, even when the seed is turned so the stem points downward?

Your teacher asks you to design an experiment that shows how plants respond to changes in their environment. You have two identical sprouted seeds for your experiment, and you may add any additional equipment of your choosing. Using the scientific method, design an experiment that meets your teacher’s criteria. Which step of the scientific method matches this statement: Determine whether the direction that a stem points affects the direction in which the stem grows.

. Your teacher asks you to design an experiment that shows how plants respond to changes in their environment. You have two identical sprouted seeds for your experiment, and you may add any additional equipment of your choosing. Using the scientific method, design an experiment that meets your teacher’s criteria. Which step of the scientific method corresponds to the following statement: "The stems of plants grow upward against gravity"?

Organize the items in order from the highest to the lowest degree of internal organization.

Select the correct answer. Matt is an athlete, but recently he’s been feeling sluggish during practice. He needs to take more breaks because he feels tired. His doctor tells him that an organelle in his cells isn’t working as it should. Which organelle is most likely the cause of Matt’s symptoms?

Based on the images, select the option that most closely resembles the ER. William wants to create a cell model using ingredients in his kitchen. He uses plastic wrap to represent a vacuole and carrot sticks to represent the Golgi body. Which ingredient will allow him to best describe the structure of the rough endoplasmic reticulum?

Select the correct answer. Ben uses a reusable storage bag to carry snacks in his backpack to school. Debbie uses a similar bag to store pencils so her backpack doesn’t get dirty. Which cell organelle performs a similar function as the storage bags?

Select the correct answer. Gloria’s doctor diagnoses her with hepatitis B, which is a viral infection. Which body system will fight this infection?

Select the correct answer. Psoriasis is a disease that causes a red rash on the skin. Which body system does psoriasis affect?

Match each organ or function with its body system. Which body system matches: produces urine.

Match each organ or function with its body system. Which body system matches: large intestine

Match each organ or function with its body system. Which body system matches: ureters

Match each organ or function with its body system. Which body system matches: mouth

Match each organ or function with its body system. Which body system matches: filters blood

Select all the correct answers. Alfred has a golden retriever named Max. Max can recognize people from their smell. Max starts to bark and wag his tail when Alfred reaches the gate of his house, even though Max is 50 yards away in his kennel. What are the reasons for Max’s ability to smell so well?

Select the correct answer. Which statement about the central nervous system (CNS) and the peripheral nervous system (PNS) is true?

Select the correct answer. Study this diagram of a flowering tree’s life cycle. What is the error in the diagram?

Select the correct answer. Shania watches a video online about how to swaddle a baby, a technique used to wrap a baby’s body in a large cloth. She swaddles her infant daughter to keep her warm and relaxed while she sleeps. Shania’s older son jokes that the baby looks like one of the stages of an insect that he learned about in school. Which insect stage does his sister look like?

Select the correct answer. Dr. Josh is a scientist who studies the genetic traits of plants. He prefers growing plants though pollination, a form of sexual reproduction, rather than growing them from cuttings. Why does he prefer this method?

Select the correct answer. A disease-resistant variety of a sexually reproducing crop was planted on a field with an existing nonresistant variety. After a few years, pests severely attacked the plants. The older, nonresistant plants died. However, the recently grown plants survived. Why did the new plants survive?

Identify the mitotic phase shown in the first cell image with condensed chromosomes and spindle fibers beginning to form.

Identify the mitotic phase shown in the cell image where chromosomes are aligned at the cell’s equatorial plane.

Identify the mitotic phase shown in the cell image, in which sister chromatids separate and move toward opposite poles.

Identify the mitotic phase shown in the cell image, in which two daughter nuclei form.

Select the correct answer: Sexual reproduction helps to increase which of the following?

Select the correct answer from each drop-down. The advantage of asexual reproduction is which of the following?

Select the correct answer. Why are flowers important to plants?

Select the correct answer. Wolf spiders carry their young on their backs. How does this help in their survival?

A checkered hen mates with a checkered rooster. The genes for the checkered trait are codominant in both parents. What are the chances that their offspring will be checkered?

Select the correct answer. A plant has dominant and recessive traits for flower color. The dominant color is amethyst (A), and the recessive trait is white (a). Which Punnett square correctly shows two homozygous parents producing heterogeneous offspring?

Select the correct answer. The infections that people get while they are in hospitals are commonly resistant to multiple drugs. What is a reason for the increased number of drug-resistant bacteria being found in hospitals?

Select the correct answer. What kind of mutation does this image represent?

Select the correct image. Mutations occur in different ways. Identify the method in which part of the chromosome reverses itself to form a new region.

Select the correct answer. There’s a genetic variation in a particular species of mice. Black mice are better able to camouflage themselves from predators in their environment than tan mice are. Based on only this information, what can you conclude?

Drag the tiles to the correct boxes to complete the pairs. Frogs have developed some adaptations to survive in their environment. Which adaptation provides the benefit of protection from predators?

Frogs have developed some adaptations to survive in their environment. Which adaptation maintains homeostasis?

Frogs have developed some adaptations to survive in their environment. Which adaptation provides the benefit of obtaining food?

Select all the correct answers (2 answers). Owl butterflies feed mostly on fruit, and owls feed on small animals. The images show an owl butterfly and an owl. How does the adaptation shown in the image improve the butterfly’s chances of survival?

Select all the correct answers. What are two disadvantages of GMO food?

Select all the correct answers. Which characteristics are drawbacks of the domestication of dogs?

Select the correct location. Identify the trait that’s dependent on genetics.

Endangered species are a concern to conservationists because there’s a risk that the animals won’t be able to adapt to their environment. One main cause of the inability to adjust is ____.

Both natural forces and human activities endanger species. One situation that both natural and human factors can cause is ____.

Select the correct answer. Which description is an example of codominance?

This is a live oak tree, which can grow 40 to 80 feet tall.

This is a coconut palm tree, which can grow 60 to 80 feet tall.

Find one trait these two trees pass on to their offspring.

"C" will inherit...

While studying for their biology exam, Zoe and Olivia come across a mysterious diagram in their textbook. They need your help to identify the body system it represents. Can you help them?

The organ shown is a part of the __________________ system.

These are the basic building blocks of life

The basic unit of all living things is: