Aria, Elijah, and Evelyn are studying for a biology test. They come across a question about the integumentary system. Which organ, that they are studying, is part of this system?

During a biology class, Evelyn, David, and Nora are studying the human body. They are trying to identify the organs that are part of the nervous system. Can you help them?

During a field trip, Charlotte, Jackson, and Kai observed a food chain. They noticed that the grass was eaten by rabbits, the rabbits were eaten by snakes, and the snakes were eaten by eagles. According to this observation, which organism gets the LEAST energy?

Aria, Avery, and Charlotte went on a field trip to a nature reserve. They observed an eagle, a snake, a rabbit, and some grass. According to the energy pyramid, which organism would have the MOST energy?

Abigail is studying the life cycle of a frog for her biology project. She is trying to understand the importance of the cell cycle in this context. Which statement would best explain this to her?

Abigail, Liam, and Noah are learning about the human body in their science class. Their teacher asked, 'Which organ is part of the digestive system that we discussed today?'

Avery, Grace, and Noah are studying for their biology exam. They come across a diagram that represents one way an enzyme can be inhibited. They start discussing the effect of an inhibitor on an enzyme. Which statement do you think correctly explains the effect of an inhibitor on an enzyme?

Ethan, Aria, and Olivia are studying the food webs such as the one shown, which were first used in 1927 by the animal ecologist Charles Elton. They are analyzing a food web that represents the feeding relationships among organisms in an Alaskan ecosystem. They are debating which organism's removal from the ecosystem would cause the most instability. What do you think?

Elijah, Maya, and Liam are working on a biology project where they analyze DNA and RNA sequences to classify organisms. They use a dendrogram, based on molecular data, to represent evolutionary relationships within a group of organisms that are hypothesized to have descended from a common ancestor. After studying the dendrogram, which statement do they conclude is best supported by the information?

Isla, Evelyn, and Sophia conducted an experiment in their science class. They used vinegar to dissolve the shells of three eggs and used these eggs as models of human red blood cells. They observed the changes in the eggs when they were placed in different solutions. In this experiment, which statement best describes the role of the cell membrane in this model?

James, Michael, and Anika found a structure in their biology textbook that looked similar in different species but had different functions. What is this an example of?

Emma, Scarlett, and Aiden were discussing in biology class. Emma stated that viruses are considered nonliving because they need a host to reproduce. Is Emma's statement true?

Samuel, Zoe, and Aria are studying for their biology exam. They come across a question about a process that follows the concentration gradient (high to low) but requires a transport protein. Which of the following processes are they discussing?

Lily, James, and Arjun were studying marine life and learned that the giant octopus lays 20,000 to 100,000 fertilized eggs. They discovered that after hatching, most octopuses become prey to larger marine organisms, and less than 5% will reach adulthood to reproduce. They concluded that one benefit of the giant octopus laying many eggs is to — 

In a biology class, Anika, Ethan, and Luna are asked to construct a graphic organizer to illustrate the different levels of biological organization in a forest ecosystem.

Which term does the X in their organizer represent, if it is one level above 'organism'?

Isla, Mia, and Samuel are studying the food chain in their biology class. They noticed a difference in the biomass of organisms at each trophic level. Which statement provides the best explanation for this observation?

Mason, James, and Hannah are studying the San Marcos salamander, Eurycea nana, a light reddish-brown translucent salamander about 2–5 cm in length. They discovered that E. nana is found only in Spring Lake and a portion of the San Marcos River.

They are discussing which human activity would most likely decrease the ability of the salamanders to survive. What do you think?

Arjun, Grace, and Evelyn are working on a science project about plants. They are observing how water moves through different parts of a plant. Through which plant cells does water move by capillary action in their experiment?

During a biology field trip, Olivia, Evelyn, and Scarlett observed a tree. They learned that oxygen and carbon dioxide diffuse in and out of a leaf through the

Abigail, Benjamin, and Maya are observing a plant in their garden. They notice that the plant is adapting to the changing environmental conditions. They wonder which chemicals are helping the plant to do so. What would you suggest?

Benjamin, Henry, and Liam are studying about plants in their biology class. Their teacher asked, 'Which of the following best describes plant hormones that you learned in today's class?'

Harper, Abigail, and Daniel are observing a plant in their biology class. According to their observations, they conclude that a plant is a(an)

Luna, Grace, and Emma are studying cells in their biology class. They come across a type of cell and they identify it as a prokaryotic cell. This cell is...

Isla, Avery, and Abigail are studying for their biology exam. They are discussing where in the cell does cell respiration occur. Isla thinks it's in the chloroplast , Avery thinks it's in the central vacuole , and Abigail thinks it's in the mitochondria. Who is correct?

Maya, Mia, and Ava observed a bird and a tree during their field trip. They noticed that the bird was building a nest on the tree, but the tree was neither harmed nor benefited by this. Which type of symbiotic relationship does this scenario describe?

During a biology class, Luna, Grace, and Arjun were examining a cell under a microscope. The teacher asked them, 'Which part of the cell, often referred to as "the brain of the cell", were they looking at?'

David, Emma, and Aria are studying cells in their biology class. They are trying to identify the outermost part of a cell. What would they identify as the outermost part?

Benjamin, Ethan, and Zoe are working on a science project about plants. They are trying to identify the part of the plant that uses energy from sunlight to make sugar. What should they identify?

Sophia uses mascara regularly. A mite lives in the base of her eyelashes, feeding on the mascara without causing any harm to Sophia. What type of symbiotic relationship is this?

Maya, Scarlett, and Charlotte are studying for their biology exam. They are discussing the four main macromolecules. Can you help them identify these?

Ethan, Grace, and Mia are studying for their biology exam. They are discussing the functions of carbohydrates. Mia says that carbohydrates communicate as formal to perform chemical reactions. Ethan thinks they provide instructions for creating proteins within the body. Grace believes they are for long-term energy storage. While, Ethan's brother, who is a nutritionist, told him that carbohydrates provide structure and it has quick access. Who is correct?

Mia, Kai, and Maya are conducting a science experiment. They want to understand what is needed to release energy from the apple slices they are using. They realize that cellular respiration is the process that releases energy from food. What do they need to be present for this process to occur?

Lily, Liam, and Rohan are studying plants in their science class. They learned that plants perform a process called photosynthesis. Later, they learned about a process called cellular respiration that happens in all living cells. What is a fundamental difference between photosynthesis and cellular respiration that they learned?

Avery and Mason are conducting an experiment in their biology class. They have a container divided into two compartments by a membrane that is permeable to water but not to sugar. Avery pours a sugar solution of high concentration on one side of the membrane, while Mason pours a sugar solution of lower concentration on the other side. What will happen to the water level during the process of osmosis?

 Avery, Sophia, and Kai are studying a paramecium under a microscope in their biology class.  They observe that this paramecium lives in an environment where water is constantly entering the organism.  They learn that the paramecium uses specialized vacuoles to pump some of the water back into the environment against a concentration gradient. Which of these processes is used to pump extra water out of the paramecium?   

Mia, Arjun, and Benjamin are conducting a science experiment. They have a cell model with a semipermeable membrane and they observe the concentration of solutions inside and outside the cell. Which of the following statements best describes how the molecules will move in their experiment?

William, Noah, and Mason are studying for their biology exam. They are using a diagram of a cell during mitosis where the centrioles are at opposite poles of the cell and the chromosomes are lined up midway between the centrioles. They are trying to figure out what would be the next phase of mitosis. Can you help them?

During a biology project, Daniel, Nora, and Noah discovered DNA sequences of an unknown species. Based on their findings, they concluded that the unknown species is most closely related to ________.

Maya and James observed two mammals, a kangaroo and a wallaby, carrying their offspring in a pouch. This observation provides evidence that these mammals______.

James, Mia, and Avery are studying different organisms for their biology project. Based on the data they collected, which organisms do they believe are more closely related?

Rohan, Grace, and Evelyn are studying a cladogram for their biology project. Based on their study, they concluded that the chimp is more closely related to the _________.

David, Maya, and Zoe went on a field trip to a wildlife sanctuary. They spotted various organisms and used a dichotomous key to identify them. Based on their observations and the key, which organism did they identify as being purple and having a pointy hump?

Which organisms belong to the kingdom bacteria?

Similarities between the bones/structure of two different organisms due to common ancestry and evolution

Similarities between organisms when they are Embryos (due to common ancestry and evolution)

Adapatations lead to...

Which adaptation gives the Bony Fish the best advantage of changing directions quickly when being chased by a predator?

An invasive species, the spiny water flea, was recently found in a New York lake. These water fleas eat zooplankton, a food also consumed by native fishes. The fleas spread from lake to lake by attaching to fishing lines, anchor ropes, and boats. Which statement best describes the effect of the water flea on the lake? *** Recientemente, se encontró en un lago de Nueva York una especie invasiva, la pulga espinosa de agua.Estas pulgas acuáticas comen zooplancton, un alimento que también consumen los peces nativos. Laspulgas se propagan de un lago al otro adhiriéndose a los hilos de pesca, las cuerdas de las anclas y losbotes. ¿Qué enunciado describe mejor el efecto de la pulga acuática en el lago?

A list of environmental issues is shown below.• Rabbits transported from Europe overrun and deplete farmlands in Australia.• Many areas in the southeastern United States are overgrown with the kudzu plant from Asia.• In parts of New York State, bluebirds must compete with starlings originally brought here from England. All of these issues are the result of *** A continuación, se muestra una lista de problemas ambientales.• Los conejos transportados desde Europa invadieron y agotaron las tierras de labranza en Australia.• Muchas áreas del sudeste de los Estados Unidos están cubiertas con la planta kudzu de Asia.• En parte del estado de Nueva York, los azulejos deben competir con los estorninos originalmentetraídos aquí desde Inglaterra.Todos estos problemas son el resultado de