Ocean Basics
$100: What covers most of Earth’s surface?
A) Forests
B) Oceans
C) Deserts
D) Mountains
Answer: B) Oceans
$100: Which marine ecosystem is famous for colorful corals and high biodiversity?
A) Tundra
B) Coral reef
C) Desert
D) Grassland
Answer: B) Coral reef
$100: What is the largest animal in the world?
A) Great white shark
B) Giant squid
C) Blue whale
D) Orca
Answer: C) Blue whale
$100: What process do marine plants use to make food using sunlight?
A) Respiration
B) Photosynthesis
C) Digestion
D) Evaporation
Answer: B) Photosynthesis
$100: What is a major type of pollution that harms ocean ecosystems?
A) Plastic pollution
B) Light from stars
C) Wind
D) Rain
Answer: A) Plastic pollution
$200: What are tiny organisms that float in the ocean and are an important food source?
A) Plankton
B) Sharks
C) Corals
D) Crabs
Answer: A) Plankton
$200: What happens when corals lose their color because of stressful conditions?
A) Coral growth
B) Coral migration
C) Coral bleaching
D) Coral reproduction
Answer: C) Coral bleaching
$200: Which animal is a top predator in many marine ecosystems?
A) Shark
B) Sea turtle
C) Seahorse
D) Clownfish
Answer: A) Shark
$200: Which underwater plants provide food and shelter for many marine animals?
A) Seagrasses
B) Cacti
C) Mosses
D) Ferns
Answer: A) Seagrasses
$200: Why is it important to protect marine ecosystems?
A) They only provide places for tourists
B) They support biodiversity and provide important resources
C) They make deserts larger
D) They stop all storms
Answer: B) They support biodiversity and provide important resources