Which step in meiosis is shown in the image above?

The gametes in the image above could have formed from which parent?

Which healthy gamete could not result from the parent cell shown above?

What will be the phenotype of the fly that grows from the fertilized cell shown below?

Which offspring could not arise from the parent cells with the chromosomes shown below? Assume crossovers can occur between chromosome pairs in the parent cells.

Which of the following is NOT a principle of natural selection?

How does genetic variation contribute to evolution?

What is the role of mutations in evolution?

What is the main function of the circulatory system?

Which of the following is NOT part of the respiratory system?

Which organ is primarily responsible for filtering waste from the blood in the excretory system?

Which of the following is a function of the skeletal system?

The nervous system is responsible for:

What is the primary function of white blood cells?

Which part of the digestive system is primarily responsible for absorbing nutrients?

Which part of the respiratory system is primarily responsible for exchanging gases between the lungs and blood?

Which of the following is the main role of the endocrine system?

Which of the following is the primary function of the muscular system?

When you eat food, a hormone is secreted by the pancreas to control the amount of sugar or glucose levels in your blood, called insulin. What systems work together to produce and transport this hormone?

Which level of organization is listed correctly from simple to complex?

What systems would be involved in kicking a soccer ball?

What system is responsible for transporting oxygen in the body?

Which system helps protect the body from disease?

What system is primarily responsible for movement?

Which system regulates body temperature?

Match the body systems to their functions.

Match the body systems to their main organs.

Match the body systems to their roles in homeostasis.

Match the body systems to their common disorders.

Classify the following body systems based on their functions.

Identify these structures based on their roles in body systems.

Group the following organs according to their body systems.

Sort these processes according to their related body systems.

Which system transmits impulses for body responses?

What system helps in gas exchange in lungs?

Which system supports body structure and movement?

What protects organs and produces blood cells?

Which systems help transport materials in an organism?

What systems are primarily involved in movement and support?

Which systems are responsible for protecting the body?

What systems are directly involved in nutrient absorption?

What role do the kidneys play in the excretory system?

Which of the following structures is part of the digestive system?

Which body system helps to regulate body temperature and protect against infection?

What is the main function of the respiratory system?

Which of the following body systems is primarily responsible for transporting oxygen and nutrients throughout the body?

Which two systems regulate body temperature?

Identify the systems responsible for movement in the body.

Which two systems help in nutrient absorption?

Select the systems involved in gas exchange.

Which systems work together to maintain homeostasis in humans?

What roles do the circulatory and respiratory systems play?

Which body systems are primarily involved in movement?

What do the immune system and integumentary system protect against?

What structure is unique to plant cells?

What organelle is responsible for photosynthesis?

Which part provides structure to plant cells?

What pigment gives plants their green color?

Categorize the following parts of a flower: petal, stamen, leaf, sepal.

Classify these flower components: ovule, anther, root, filament.

Identify parts of flowers: ovary, petiole, pistil, leaf.

What is a defining feature of angiosperms?

Angiosperms are primarily characterized by what reproductive structure?

What do angiosperm seeds develop from?

What role do angiosperms have in ecosystems?

Genetic engineering is utilized in various fields, such as improving crops and studying genetic disorders. However, scientists face several challenges when transferring genes between different species.

Which of the following best describes the challenges associated with gene transfer?

Choose THREE correct answers.

What is the function of a carbohydrate? Select all that apply

Which human activities would have a negative impact on the carbon cycle?

Select TWO correct answers.

When introduced into a new habitat, non-native plants can threaten native plants of the new habitat. What could be the reasons for this?

Select TWO correct answers.

A large part of Texas is made up of open areas covered in grasses. Together these areas form a grassland biome.

There are multiple levels of organization that help form a biome. One of these levels is a community. Which example BEST represents a community in the grassland biome?

What is the primary function of chloroplasts in plant cells?

Which part of the plant is responsible for nutrient absorption?

What is a key role of mitochondria in cells?

How do animals primarily obtain energy?

Biting flies can transmit diseases and cause loss of blood for animals in nature. Horses have developed behaviors to repel biting flies such as ear twitching, head tossing, leg stomping, and tail swishing.

Which statement best describes the interaction between body systems that allows horses to repel biting flies?

In a Central Texas grassland, the producers incorporate 12,000 kJ of energy from the sun into their tissues. About how much energy would be incorporated into the tissues of herbivores?

Which of the choices from the image above shows an example of an insertion mutation?

The diagram above shows a type of chromosomal mutation. What type of mutation is shown?

Between 2005 and 2016, the Kenai Fjords in Alaska experienced an increase in exposed rock due to melting ice. These rock formations are known as "nunataks," which are the tips of mountains that were left uncovered by glaciers in the last ice age. Nunataks are shown in the image above.

Which timeline describes how plan diversity on the nunataks will change over time?

Part B-In regards to question 82, Which evidence supports the answer to Part A?

Kelp forests are critical ecosystems that provide habitats to a variety of animals, including sea urchins, sea stars, sea anemones, crabs, jellyfish, snails, and fish.  They also provide hunting grounds for mammals, including sea otters, sea lions, seals, and many different birds.  In recent years, scientists have documented an increase in shark attacks on sea otters in and around kelp forests.

Which consequence is most likely to occur in kelp forests as a result of increased predation of sea otters?