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This is the answer key for an student activity provided for free at https://www.biologycorner.com/worksheets/case_study_cellular_respiration.htmlStudents read about a historical case where cyanide was placed into tylenol capsules. The case is intended to be used with a unit on cellular respiration and includes a graphic showing the electron transport chain and how cyanide interferes with the Cytochrome C protein. Students can work independently or use these google slides to present case as

This is the answer key to the free worksheet available at https://www.biologycorner.com/worksheets/fetal_pig_dissection.htmlStudent guide was updated in April 2024 with added questions and diagrams. To complete all sections, I recommend purchasing double-injected fetal pigs so that the arteries and veins are visible. Overview of the dissection instructions List of the structures and organs students need to knowGeneral safety and procedureExternal anatomyAnatomy of the mouthInternal anatomy of

Answer key to worksheet: https://www.biologycorner.com/2019/02/02/independent-dependent-variables/ Students read short scenarios about a science experiment and identify the independent (manipulated) and dependent (responding) variables. Two student versions are included for differentiated instruction. One contains just a blank for students to determine the variables, the other has multiple choices for students that may need extra help.

Answer key to free worksheet available at: https://www.biologycorner.com/worksheets/pedigrees-practice-b.htmlStudents examine pedigree charts and determine the genotypes of members of the family. Pedigrees look at autosomal dominant traits, like dwarfism, and recessive traits, like sickle cell anemia. Some groups of students may need more help than others with this task. This one was designed for an introductory biology class, there is also a pedigree practice for AP Biology.

Answer key to worksheet on feedback loops focusing on the interactions between insulin and glucagon to maintain proper glucose balance in the blood. This student worksheet is available for free at https://www.biologycorner.com/worksheets/feedback_loops.htmlStudent worksheet is included with the key for convenience.

This is the answer key to a free worksheet available at https://www.biologycorner.com/worksheets/pepperedmoth.html This is a new version that uses an HTML 5 simulator at https://askabiologist.asu.edu/peppered-mothStudents read background information and answer questions, then play the role of a bird capturing moths on a tree. They will see that moths that blend in have a higher chance of survival. A final analysis section asks students to connect the simulation to concepts natural s

Student worksheet is available for free download from biologycorner.com. Students identify the controls and variables (manipulated and responding) and write conclusions for short experiments performed by Simpsons characters. This resource was updated 9/10/2022 and includes a new set of scenarios in Word format. The old version is included in the zip file, but there are many posted keys to it on the web, making it easy for students to easily find answers. Student worksheet: https://www.bio

In this exercise, students explore the many lines of evidence that support the theory of evolution. Students can complete this exercise independently as part of a larger unit on evolution. Each section explores one line of evidence, with images to examine, questions to answer and even a coloring of homologous structures. The Fossil RecordEmbryologyComparative AnatomyVestigial StructuresMolecular BiologyThe student worksheet is available for free at biologycorner.com. Download includes the an

Answer key to free worksheet available at https://www.biologycorner.com/worksheets/mitosis-coloring.htmlThis coloring worksheet describes each stage of the cell cycle and has a graphic to color according to the instructions. Students label each phase and answer questions about the events of each stage and various structures, like the centrioles and spindle.

Answer key to DNA coloring worksheet that is available for free at https://biologycorner.com/worksheets/DNAcoloring.htmlDescriptions of DNA with coloring instructions guide students through a lesson exploring how the structure of DNA was established, how messenger RNA is used to make proteins, and how DNA replicates. Students color images and answer questions. Download includes answer key to questions and completed colored images. Student worksheet is included for convenience.

Students take a close look a the process of photosynthesis by examining and coloring a graphic that details how the plant takes in carbon dioxide and water and produces glucose and oxygen. This worksheet can stand alone or be used as reinforcement for units that cover photosynthesis and cellular respiration. Student worksheet is available for free from biologycorner.com at https://www.biologycorner.com/2018/06/15/photosynthesis-coloring/This is the answer key which also has the student han

Students who struggle with claim, evidence, reasoning (CER) can practice with a set of short stories describing the discoveries of scientists like Louis Pasteur, John Snow, and Alexander Fleming. Students read a paragraph and highlight statements that represent the claim in one color, then highlight evidence statements in another color. Then they complete a statement to illustrate how reasoning is used to use the evidence to support the claim. There are two versions of this activity. The "b

This exercise shows three feedback loops of the endocrine system where students fill in the chart using words and phrases. There are three loops highlighted: Insulin and glucagon in the pancreasCalcitonin in the thyroid and parathyroidAntidiuretic hormone in pituitaryThis activity was designed to work with a more general unit on the endocrine system. Download includes student worksheet, answer key, and links to digital versions of the student document.

This case study explores the case of a baby born with a heart defect. Students looks at how the diagnosis was made and what steps were made to treat the infant. The case is based on a true story, of a family I know, who were generous enough to share their experience and photos of baby Lucas. This student worksheet is available for free at https://www.biologycorner.com/2016/06/23/case-study-a-tiny-heart/ Download includes student version of the worksheet and the answer key. Also available

Students learn about the nitrogen cycle and label a graphic. Students answer questions related to the process, focusing on ammonification, nitrification, and assimilation. Students then examine a graphic showing how eutrophication occurs in lakes and ponds, focusing on how dead zones occur in areas with fertilizer runoff. The student worksheet is available for free at biologycorner.com Download includes the student worksheet, the answer key, and a link to a Google docs file.

In this activity students examine the physical characteristics of wolves, dogs, and coyotes to determine which is most closely related. A phylogenetic tree is then explored where students learn how to interpret the tree and how species are named. The student worksheet is available for free at: https://www.biologycorner.com/worksheets/phylogenetic-tree-dog-wolf.html

Answer key to the free worksheet available at biologycorner.com https://www.biologycorner.com/worksheets/cellcolor.html

Answer key to a free worksheet available at: https://www.biologycorner.com/anatomy/cell/cell_conceptmap.htmlStudents use their knowledge of the cell to complete this graphic organizer using the included word bank. Student handout is included for convenience.

This is the answer key for a free worksheet available at https://www.biologycorner.com/worksheets/hardy_weinberg_problemset.htmlStudents practice several problems using the hardy weinberg equation to determine the allele frequencies in populations. The student worksheet is attached to this document for convenience.

This worksheet was designed for AP Biology students to practice labeling molecules involved in DNA replication, such as ligase, polymerase, and helicase. This worksheet is available for free at: https://www.biologycorner.com/worksheets/DNA-replication.htmlThere is also a Google slide version for working from home or on devices. Answer key is also included with PPT slides. Download includes answer key, plus two student versions, one with a word bank and one without. This could be used for r