Unit 3 test
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (20 张)
How have pelagic environment organisms adapted to avoid being prey? (2 ways)
Mobility swimming speed adaptations
What is a “school”? List 2 advantages of schooling
A school is where they are all in one group traveling together Advantages (They are able to get away from predators and find food better, their confusing to predators)
Describe the 3 types of symbiotic relationships and give one example of each
Commensalism One species is benefit and other is not harmed or helped Shark and remora Mutualism Both species benefit Clownfish and sea anemone Parasitism One host is negatively affected Icopod living in fishes mouth
Distinguish between lungers and cruisers and give one example of each
LUNGERS Organisms that sit and wait from the prey and lung to get them grouper CRUISERS Tuna Actively seeking prey always swimming
Describe the types of muscle tissue (red or white) that is found in each from #5.
Grouper White muscle tissue Cruiser Red muscle tissue
Define poikilothermic and homeothermic.
Poikilothermic Body temp is same as environment Homeothermic Body has a way to regulate their body temperature (Faster, better vision)
Deep-water nekton’s food sources are either ___ or ___
Detritus or eachother
What is bioluminescence? Name 2 ways it is useful.
When organisms can biologically produce light (Normally deep sea) 2 ways - Communication Attracting prey
Marine organisms that are not small and do not float have to stay above the ocean floor. Name 2 things that help them achieve this.
Swim bladders and Buoyancy
Typically, slow-moving fish have swim bladders and very active swimmers usually do not have swim bladders. True or false?
False
Name 5 characteristics of mammals
Warm blooded Breath air Have hair Bare live young Nurse live young
What are the 4 main types of marine mammals? Define each type. Give examples of each.
Cetaceans - Dolphins, whales, porpoises Fissipeds - Polar bears and sea otters Cerenians -Manatees and dugongs Pinnipeds -Sealions, Walrus, Seals
Distinguish between pinnipeds and fissipeds
Fissipeds only rely on ocean for their survival but pinnipeds completely live in the ocean most of the time
What is unique about a sea otter? Polar bears? Walruses?
SEAOTTERS - They don’t have a thick layer of blubber POLAR BEAR - Have a snout that warms air before entering lungs WALRUSES - Grow long tusks that help them adapt to Artic life
What are 3 differences between seals and sea lions?
Seals - ear holes, short front flippers, Short back legs Sea lions - Ear flaps, long front flippers, big back legs
What are 2 differences between manatees and dugongs?
Manatees - found in tropical Atlantic ocean, larger Du gongs - Indian ocean, smaller
Describe 5 physical characteristics of cetaceans (whales)
Insulated with blubber Cigar body shape Horizontal tail Come up for air Have a blow hole or 2
Describe the whale’s diving ability compared to that of a human’s in terms of oxygen usage, muscular adaptations and nitrogen narcosis
• They have more capillaries that surround their blood vessels to store more oxygen -They have muscles that don’t get tired quickly making it easier to dive deeper • When humans dive it increases the nitrogen in their body causing pressure to get dizzy or pass out, whales seem to hold the pressure better
What are the 2 types of whales and give 3 examples of each
Baleen whales Blue , humpback, gray Toothed whales Dolphin, sperm, Ocra
Name 3 differences between the two types of whales
Baleen whales - No teeth - Dont ecolocate - Less socail Toothed whales -Teeth -Use ecolation -More social