Olivia is studying how living things pass on genetic information to their offspring. She learns that there is a type of cell division that reduces the number of chromosomes in cells. This process is called _____

Kai has two different alleles for flower color in his garden: one for red flowers and one for white flowers. If the red allele covers up the appearance of the white allele, what is the allele called whose phenotype is masked and not expressed?

Liam is studying the inheritance of flower color in a certain plant species. He notices that when he crosses a plant with red flowers and a plant with white flowers, all the offspring have red flowers. What type of inheritance occurs if the alleles for flower color are different and one covers up the phenotype of the other?

Olivia and Oliver are discussing how some people can have blood type AB, where both A and B antigens are equally expressed. This is an example of

During a biology class, Oliver is observing a cell under a microscope. He notices that two pairs of homologous chromosomes are lined up at the center of the cell. During which stage of meiosis is Oliver observing this?

In a biology lab, Avery is examining cell samples under a microscope. She notices structures that are replicated and identical, attached at a centromere, just before the cell divides. What are these structures called?

Grace is growing snapdragon flowers in her garden. She notices that when she crosses a red-flowered plant with a white-flowered plant, the offspring have pink flowers, showing a phenotype in between the two parents. What type of inheritance is this?

Lily has a garden with red and white flowers. Red flowers are dominant over white flowers. If Lily crosses a red-flowered plant with genotype Rr with a white-flowered plant with genotype rr, identify the possible genotypes of the offspring.

Lily has a garden with red and white flowers. Red flowers are dominant over white flowers. If Lily crosses a red-flowered plant with genotype Rr with a white-flowered plant with genotype rr, identify the possible phenotypes of the offspring.

James has a cow that has both red and white patches on its coat, showing both colors distinctly. What type of inheritance is responsible if the alleles for coat color are different and both are expressed as clearly separate phenotypes on the same individual?

Kai is growing pea plants in his garden. The plants can either be tall (dominant) or short. Which statement is True?

Grace is studying genetics and discovers that a plant has the allele combination rr for flower color. The allele combination rr is best described as

David is studying how cells reproduce in his biology class. After observing the process of meiosis under a microscope, what does David find is formed at the end of meiosis?

While studying for her biology exam, Mia reads that chromosomes are composed of certain molecules. Which of the following best describes what chromosomes are made of?

Kai is working on a science project where he needs to make an exact copy of a DNA strand. The process he is using is called

Elijah is studying how cells make RNA from a DNA template in his biology class. Which enzyme plays a main role in this process of transcription?

Imagine James is editing a video, and he needs to cut out the parts that don't contribute to the final story. In mRNA processing, what are the sections called that are removed because they do not contain usable code?

In a busy kitchen, Luna is following a recipe card (mRNA) to prepare a dish. What is Luna doing during this process?

Luna is building a model of DNA for her science project. She needs to include the correct components of a nucleotide found in DNA. Which of the following combinations should she use?

Emma is working in a factory where different parts need to be assembled based on instructions sent from the main office. Which type of RNA acts like the messenger, bringing the information in the genetic code from the nucleus (main office) to other parts of the cell (factory)?

Daniel is learning about biology in school. He discovers that genes contain instructions for assembling something important in our bodies. What do genes help assemble?

Charlotte is studying genetics and is using the codon chart shown in Figure 13–2 to decode mRNA sequences. If Charlotte comes across the mRNA code CCC, which amino acid does it specify?

Grace is learning about how genetic information is used to make proteins in living organisms. Which is the correct sequence of the transfer of information in most organisms?

Lily is assembling a long chain using small pieces of rope, tying each piece together one at a time. In this process, the chain that is made from separate rope fragments is the:

Michael is studying genetics and learns about a change in DNA that involves just a single nucleotide. What is this type of mutation called?

Luna is studying genetics and comes across a case where a segment of DNA is lost, resulting in the loss of genetic information. Which type of mutation is Luna observing?

During a genetic study, Emma discovers that during gamete formation, a mutation has occurred resulting in an additional copy of a gene. What is this type of mutation called?

While studying for her biology exam, Maya reads that _____ are found on tRNA molecules.

Abigail is learning about how cells build proteins. She wonders which type of RNA is responsible for bringing amino acids to the ribosome during this process. Which type of RNA brings amino acids to the ribosome in the cell?

Emma is observing animals in the forest. She notices that some animals eat both meat and producers like plants. What type of animal is Emma observing?

A tick bites a person and begins to suck their blood. Not only is the tick drinking their blood, but it also gives them Lyme Disease. What type of relationship is between the tick and the person?

Arjun is studying the environment in his backyard. He observes different factors that affect the living things there. Which of the following is NOT an abiotic factor?

A bee goes flower to flower, pollinating the flower population. In return the bee gets nectar from the flowers to make honey. What kind of relationship is this?

Mason observes that deer eat plants and wolves are carnivores that consume food. Based on this, in which group would Mason classify them?

During a nature walk, Mia observes different plants and animals in a forest. She wonders about the role of plants in the food web. Which is always true about producers?

While hiking in the forest, Grace notices some animals feeding only on the remains of dead organisms. These animals are _____

In a forest, Olivia is studying how each animal contributes to the ecosystem. She wants to know the specific role played by a squirrel in its environment. This specific role is called a _____

Benjamin is studying the structure of living things in his biology class. He wants to arrange the micro-levels of organization from the smallest to the largest. Which of the following sequences is correct?

Ava is studying the organization of living things in her biology class. She wants to arrange the macro-levels of biological organization from the smallest to the largest. Which of the following sequences should she choose?

Oliver notices that barnacles attach themselves to the shells of whales. The barnacles benefit by getting a place to live and access to food in the water, while the whales are not affected. What kind of relationship is this?

Emma and Luna both run lemonade stands in the same neighborhood. What kind of relationship is between Emma and Luna?

In a school garden, Avery observes that some plants make their own food using sunlight. Avery wonders, a producer is a _____

Grace is studying a pond ecosystem. She observes several factors that affect the living things in the pond. Which of the following is a biotic factor?

Daniel is studying bacteria in his biology class. He learns that prokaryotes contain their DNA in a specialized area of the cytosol called the

Lily is studying different groups of living things in her biology class. She learns about the kingdoms Protista, Plantae, Fungi, and Animalia. What do all organisms in these kingdoms have in common?

Jackson is studying different kingdoms of life. He observes an organism that is a heterotroph, has cell walls made of chitin, and lives as a saprobe or parasite. To which kingdom does this organism most likely belong?

Charlotte is studying microorganisms in her biology class. She observes some single-celled organisms under a microscope that have cell walls but no nucleus. In which Domain(s) could these organisms be classified?

Olivia is studying bacteria in her biology class. She wants to know what the primary component making up the cell walls of bacteria is. Can you help her?

The domain that contains unicellular organisms that live in extreme environments is

All viruses are made up of protein and

When treated with Gram stain, Gram positive bacteria appear

Unlike lytic viruses, lysogenic viruses

According to the rules of binomial nomenclature, which of the terms is capitalized?

Which of the following include the Six Kingdom classifications?

What type of virus uses reverse transcriptase?

Which of the bacterial cells shown is a coccus?

What structures do protists such as amoebas use for movement?

Algae are considered plant-like protists because they

What structures do paramecium use for storage of DNA to be used for reproduction?

The tangled mass that makes up the part of a fungus that is below the soil is the

Which group produces sexual spores found in club shaped cells; includes mushrooms.

An important role of fungi in an ecosystem is

Mycorrhiza fungi play an important role in the ecosystem because they

The mushroom structure that grows above ground is an example of a

Where on a fungal organism are spores produced?

The individual thread-like filaments that make up the structure of a fungus is (are)

Alternation of generation in plants refers to alternating between

A fruit on a plant is

Identify the structures on the above organism: The organism pictured is a

Refer to the diagram of the plant stem cross-section. What is labeled as 94?

Refer to the diagram of the plant stem cross-section. What is labeled as 98?

Most plants are

Xylem tissue is important because it

what is the structure labeled C

what plant cycle is this

The structures labeled B is

Jackson is learning about how traits are passed from parents to offspring. If a plant with genotype TT is crossed with a plant with genotype tt, what will be the genotype of all the offspring?

Sophia observes that when she crosses a plant with yellow seeds and a plant with green seeds, all the offspring have yellow seeds. What does this suggest about the inheritance of seed color?

Lucas is studying pea plants and notes that the allele for tall stems (T) is dominant over the allele for short stems (t). Which genotype represents a heterozygous tall plant?

Blue eyes (r) are considered to be ______________________ compared to brown eyes