Human Body Similar or Different?
How do skeletons in animals and stems in plants serve similar functions?
A. Both provide structural support and help the organism stay upright.
B. Both absorb nutrients and transport them to other parts of the organism.
C. Both protect internal organs from injury.
D. Both store food for energy when resources are scarce.
A. Both provide structural support and help the organism stay upright.
Which organ is responsible for filtering waste from the blood and producing urine?
A. Liver
B. Kidney
C. Stomach
D. Pancreas
B. Kidney
Which of the following describes the function of leaves in a plant?
A. Transporting nutrients
B. Supporting the plant
C. Make the food for plants
D. Absorbing water
C. Make the food for plants
A. Egg → Larva → Pupa → Adult
B. Egg → Adult → Larva → Pupa
C. Larva → Egg → Pupa → Adult
D. Egg → Pupa → Larva → Adult
A. Egg → Larva → Pupa → Adult
A. Condensation
B. Evaporation
C. Precipitation
D. Runoff
A. Condensation
Which statement correctly compares how plants and animals transport nutrients throughout their bodies?
A. Both plants and animals use a circulatory system with a heart to move nutrients.
B. Plants use tissue in their stem to transport water and nutrients, while animals use blood vessels.
C. Animals absorb water through their leaves, while plants rely on their nervous system.
D. Only animals require a way to transport nutrients, while plants do not.
B. Plants use tissue in their stem to transport water and nutrients, while animals use blood vessels.
How do the lungs and heart work together to support the body?
A. The lungs pump blood to the heart, which then delivers it to the rest of the body.
B. The heart sends oxygen to the lungs, which then transport it to the blood.
C. The lungs supply oxygen to the blood, which the heart then pumps to the body.
D. The heart removes carbon dioxide from the blood before the lungs release it.
C. The lungs supply oxygen to the blood, which the heart then pumps to the body.
What is the purpose of a plant’s roots?
A. To create food for the plant
B. To absorb water and nutrients from the soil
C. To store seeds for reproduction
D. To help the plant with gas exchange
B. To absorb water and nutrients from the soil
Which of the following best explains how a frog’s life cycle is different from a butterfly’s life cycle?
A. A frog goes through incomplete metamorphosis because it changes gradually, while a butterfly undergoes complete metamorphosis with a pupa stage.
B. Both frogs and butterflies go through the exact same stages of metamorphosis, but a frog takes longer to develop.
C. A butterfly undergoes incomplete metamorphosis because it hatches from an egg and grows into an adult, while a frog undergoes complete metamorphosis.
D. Frogs and butterflies both have a pupa stage before becoming adults.
A. A frog goes through incomplete metamorphosis because it changes gradually, while a butterfly undergoes complete metamorphosis with a pupa stage.
Which process in the water cycle changes liquid water into water vapor?
A. Condensation
B. Evaporation
C. Precipitation
D. Freezing
B. Evaporation
Exoskeletons in insects and endoskeletons in vertebrates serve similar functions, but what is a key difference between them?
A. Only endoskeletons provide support, while exoskeletons are used solely for defense.
B. Exoskeletons help animals breathe, while endoskeletons store food.
C. Only exoskeletons grow as the animal grows, while endoskeletons stay the same size.
D. Exoskeletons protect the body from the outside, while endoskeletons provide support from the inside.
D. Exoskeletons protect the body from the outside, while endoskeletons provide support from the inside.
What is the primary function of the liver?
A. Pumping oxygenated blood to the body
B. Breaking down food for digestion
C. Filtering toxins from the blood and producing bile
D. Sending signals to the body through nerves
C. Filtering toxins from the blood and producing bile
What is the function of a flower in a plant?
A. Absorbing sunlight
B. Producing oxygen
C. Transporting water
D. Reproduction
D. Reproduction
How does the life cycle of a pine tree compare to that of a flowering plant like an orange tree?
A. Both pine trees and orange trees produce seeds, but pine trees produce them in cones while orange trees produce them in fruits.
B. Orange trees reproduce using seeds, while pine trees reproduce only through spores.
C. Both pine trees and orange trees must produce flowers before making seeds.
D. Pine trees grow faster and complete their life cycle more quickly than flowering plants.
A. Both pine trees and orange trees produce seeds, but pine trees produce them in cones while orange trees produce them in fruits.
A water drop falls through freezing layer of air followed by a warm layer. Finally, falling through a freezing temperature right before hitting the ground. What type of precipitation can be expected?
A. Rain
B. Sleet
C. Snow
D. Hail
B. Sleet
Which statement correctly compares how plants and animals perform gas exchange?
A. Both plants and animals rely on specialized structures to exchange gases, with plants using structures in their leaves and animals using lungs or gills.
B. Plants absorb carbon dioxide but do not release oxygen, while animals take in oxygen and do not release carbon dioxide.
C. Only animals need to exchange gases, while plants rely on their roots to get all necessary gases.
D. Animals use their circulatory system for gas exchange, while plants store oxygen inside their stems for later use.
A. Both plants and animals rely on specialized structures to exchange gases, with plants using stomata and animals using lungs or gills.
What is the primary function of the stomach in the digestive system?
A. It filters toxins from the blood.
B. It absorbs nutrients into the bloodstream.
C. It stores energy for later use.
D. It breaks down food with chemical and mechanical digestion.
D. It breaks down food with chemical and mechanical digestion.
Which characteristic is used to classify an animal as a mammal?
A. It lays eggs and breathes with gills.
B. It has feathers and can fly.
C. It has fur or hair and produces milk for its young.
D. It has dry, scaly skin and breathes with lungs.
C. It has fur or hair and produces milk for its young.
Which statement correctly compares the life cycles of flowering and nonflowering seed-bearing plants?
A. Only flowering plants produce seeds, while nonflowering plants reproduce using spores.
B. Flowering plants produce seeds inside fruits, while nonflowering plants produce seeds in cones or produce spores.
C. Nonflowering plants must have flowers before they can produce seeds.
D. Flowering plants and nonflowering plants reproduce in the same way, without seeds or spores.
B. Flowering plants produce seeds inside fruits, while nonflowering plants produce seeds in cones or produce spores.
Which factor affects climate the most?
A. Distance from a forest
B. Latitude and elevation
C. The number of lakes nearby
D. The number of people in a city
B. Latitude and elevation
Which statement correctly compares how plant roots and the large intestine in animals help with absorption?
A. Plant roots absorb water and minerals from the soil, while the large intestine absorbs water from digested food.
B. Both plant roots and the large intestine store excess nutrients for future use.
C. The large intestine in animals produces its own nutrients, while plant roots rely on digestion to break down food.
D. Plant roots and the large intestine both release waste materials instead of absorbing nutrients.
A. Plant roots absorb water and minerals from the soil, while the large intestine absorbs water from digested food.
Which of the following best describes the function of the pancreas?
A. It stores and removes waste from the body.
B. It produces an enzyme called insulin to regulate blood sugar levels.
C. It breaks down food and absorbs nutrients.
D. It transports oxygen-rich blood throughout the body.
B. It produces an enzyme called insulin to regulate blood sugar levels.
Scientists are studying two newly discovered animals. One animal has six legs, antennae, and a hard exoskeleton. The other has a soft body, no legs, and no exoskeleton. Based on these characteristics, which conclusion about the classification of these animals is most likely correct?
A. Both animals are arthropods because they live on land.
B. Only the animal with six legs and an exoskeleton is an arthropod because it has the key characteristics of this group.
C. Neither animal is an arthropod because all arthropods must have wings.
D. Both animals are arthropods because they are found in nature.
B. Only the animal with six legs and an exoskeleton is an arthropod because it has the key characteristics of this group.
A student observes the life cycles of a butterfly and a grasshopper. Which observation best explains how their life cycles are different?
A. The butterfly goes through a pupa stage before becoming an adult, but the grasshopper does not.
B. The grasshopper’s life cycle includes a stage where it changes completely in appearance, while the butterfly’s does not.
C. Both the butterfly and the grasshopper go through the exact same stages in the same order.
D. Only the grasshopper hatches from an egg, while the butterfly is born as a live young.
A. The butterfly goes through a pupa stage before becoming an adult, but the grasshopper does not.
What role does the Sun play in the water cycle?
A. It creates clouds
B. It provides energy for evaporation
C. It removes water from rivers
D. It turns rain into snow
B. It provides energy for evaporation