Life Science (Grade 7) Midterm — Semester 2, Form B
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Free printable Life Science midterm (Grade 7): 15 multiple-choice questions plus 1 written response covering Classification of Living Things, Human Body Systems, Ecosystems. Answer key included — customize it in the Midterm Maker.
Life Science (Grade 7) Midterm — Semester 2, Form B
Name: Date: Period:
Directions: Read each question carefully and choose the best answer. Answer the written response in complete sentences.
Covers: Classification of Living Things · Human Body Systems · Ecosystems
Part 1: Multiple Choice
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A scientific name such as Canis lupus is made of which two parts?
- A. Genus and species
- B. Family and order
- C. Kingdom and phylum
- D. Class and genus
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Which classification level is the broadest?
- A. Kingdom
- B. Domain
- C. Species
- D. Phylum
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Which scientific name is written correctly?
- A. Homo Sapiens
- B. Homo sapiens
- C. homo Sapiens
- D. homo sapiens
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Which classification level is the most specific?
- A. Kingdom
- B. Family
- C. Genus
- D. Species
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Which of these animals is a vertebrate?
- A. Jellyfish
- B. Earthworm
- C. Frog
- D. Spider
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Which body system uses hormones to regulate growth and other body functions?
- A. Respiratory system
- B. Nervous system
- C. Endocrine system
- D. Muscular system
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Which blood vessels carry blood away from the heart?
- A. Arteries
- B. Alveoli
- C. Veins
- D. Capillaries
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Where are most nutrients from food absorbed into the blood?
- A. Esophagus
- B. Stomach
- C. Large intestine
- D. Small intestine
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Which organ pumps blood throughout the body?
- A. Kidneys
- B. Liver
- C. Heart
- D. Lungs
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In the lungs, oxygen and carbon dioxide are exchanged in tiny air sacs called what?
- A. Bronchi
- B. Alveoli
- C. Trachea
- D. Diaphragm
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A relationship in which both species benefit is called what?
- A. Parasitism
- B. Predation
- C. Mutualism
- D. Commensalism
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In a food web, what do the arrows show?
- A. Which organisms are related
- B. Which animal is the largest
- C. Where each animal lives
- D. The direction energy flows
-
On average, about what percent of energy is passed from one feeding level to the next?
- A. 10%
- B. 100%
- C. 50%
- D. 90%
-
What is an animal that eats only plants called?
- A. Herbivore
- B. Decomposer
- C. Carnivore
- D. Omnivore
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What is the main role of decomposers in an ecosystem?
- A. Hunting other consumers
- B. Pollinating flowering plants
- C. Making food from sunlight
- D. Breaking down dead matter and returning nutrients to the soil
Part 2: Written Response
- Choose two body systems and explain how they work together to keep you alive during exercise.
Answer Key — Life Science (Grade 7) Midterm — Semester 2, Form B
- A — Genus and species The first word is the genus; the second identifies the species.
- B — Domain Domain is the largest, most general group.
- B — Homo sapiens The genus is capitalized; the species name is lowercase.
- D — Species Species is the narrowest level of classification.
- C — Frog Vertebrates have a backbone; frogs do, the others do not.
- C — Endocrine system Glands of the endocrine system release hormones into the blood.
- A — Arteries Arteries carry blood away; veins return it to the heart.
- D — Small intestine The small intestine's villi absorb most nutrients.
- C — Heart The heart is the muscular pump of the circulatory system.
- B — Alveoli Alveoli are surrounded by capillaries where gases are exchanged.
- C — Mutualism In mutualism, both partners gain something.
- D — The direction energy flows Arrows point from the organism eaten to the organism that eats it.
- A — 10% Most energy is used for life processes or lost as heat.
- A — Herbivore Herbivores are primary consumers that feed on plants.
- D — Breaking down dead matter and returning nutrients to the soil Decomposers recycle nutrients from dead organisms.
Written Response — Look-Fors
- Accurately describes two systems (e.g., respiratory + circulatory, muscular + skeletal, nervous + muscular); explains specific interaction; links to homeostasis or energy needs.