Aquatic Science Basics
What process describes how nitrogen cycles through an ecosystem?
Nitrogen cycle
What human activity is most commonly associated with pollution in aquatic environments?
Industrial or agricultural runoff
What should you do if you see someone struggling in the water?
Alert a lifeguard, call out to them to check their response
Which swimming stroke involves moving your arms in a circular motion while on your stomach?
Freestyle
What is the largest type of aquatic ecosystem on Earth?
What are abiotic factors in an aquatic ecosystem?
Abiotic factors are non-living components like water temperature, sunlight, and pH levels.
Name one effect of climate change on marine life
Coral bleaching or altered migration patterns
Can't call for help, may be struggling to keep their head above water or may be silent, arms may be waving around.
Which swimming stroke has a distinctive frog kick?
Breaststroke
What's the difference between the terms 'aquatic' and 'marine'?
Aquatics refers to anything related to water (could be freshwater and saltwater lakes, ponds, oceans etc. ), whereas marine is related specifically to the ocean.
Name two forms of nitrogen that are usable by plants.
How does plastic pollution impact aquatic animals?
Animals can ingest plastics, leading to injury or death, and it can disrupt their habitats.
Why is it important to swim with a buddy?
Enhances safety and ensures assistance in case of an emergency
Why is it important to learn how to float in the water?
Safety and relaxation in the water
What is the term for a group of fish swimming together?
School
Explain how temperature affects dissolved oxygen levels in water bodies.
Warmer water holds less dissolved oxygen, which can stress aquatic organisms that rely on oxygen for survival.
Describe how eutrophication affects water quality
Eutrophication leads to excessive nutrient buildup, causing algal blooms that deplete oxygen and harm aquatic life.
What should you do before entering the water to ensure safety while snorkeling?
Check the weather and water conditions, get a buddy
What is the primary focus of the backstroke technique?
To maintain a streamlined position while alternating arm movements
Why are wetlands so important for the environment?
They provide a habitat for wildlife and help filter water
Why is it important to know the rules of navigation when boating?
To ensure safety on the water and avoid accidents (who has right of way). You need an awareness of environmental conditions, proper equipment use, emergency signals and protocols across marine radios, how to chart paths and triangulate.
Explain the concept of sustainable fishing practices.
Sustainable fishing practices aim to maintain fish populations and ecosystems while allowing for fishing activities.
What does DRSABCD stand for?
Danger, Response, Send for help, Airways, Breathing, CPR, Defibrillation
Name two key components of effective butterfly stroke technique?
Body undulation and simultaneous arm movement
What is the term for the variety of life in a specific habitat, such as a coral reef?
Biodiversity