FINAL TEST Oceanography Flashcards
(80 cards)
What are the four main groups of marine reptiles?
Saltwater crocodiles, sea snakes, marine lizards, and sea turtles
Which adaptation helps marine reptiles regulate salt levels in their bodies?
Salt glands
What is unique about the Australian Saltwater Crocodile compared to the American Saltwater Crocodile?
It is more aggressive and larger
How long can sea snakes hold their breath underwater?
2 hours
What is the only species of marine lizard?
Marine Iguana
What determines the sex of sea turtle hatchlings?
Nest temperature
Which sea turtle species is considered the most endangered?
Kemp’s Ridley
What is an “arribada” in relation to sea turtles?
A type of nesting behavior where turtles nest en masse
What is NOT a unique adaptation of birds?
Hollow bones
Which feature is NOT an adaptation of marine reptiles?
Warm-bloodedness
What is the primary threat to sea turtles today?
Human activities and pollution
How many eggs does a typical sea turtle lay in one nest?
75-100 eggs
What is the average survival rate of sea turtle hatchlings
1 in 1,000
Which sea turtle species is known for eating poisonous sponges?
Hawksbill Turtle
What is a “false crawl” in sea turtle behavior?
When a female comes ashore but leaves without laying eggs
How do penguins prevent heat loss?
Blubber
Which characteristic is unique to the Flatback Turtle?
It only nests in Australia
What is NOT true about penguin senses?
Excellent hearing
How do marine reptiles maintain their body temperature?
By basking in the sun
What adaptation helps sea snakes manage their heart rate while diving?
Bradycardia
What are the three main characteristics shared by all fish?
Gills, vertebrae, and aquatic habitat
Which of the following is a unique characteristic of hagfish?
They produce large amounts of slime
What distinguishes lampreys from other fish?
They are ectoparasites that feed on blood
Which feature is characteristic of bony fish (Osteichthyes)?
Presence of swim bladder