Marine Science final
Created by Trey Waters
| Term | Definition |
|---|---|
How much of Earth’s water is in the ocean? | 97%. |
The largest ocean is the ______________ ocean. | Pacific. |
The average depth of the ocean is _______ ft. | 12,000 Feet. |
The average depth of Mobile Bay is _____ ft. | 10. |
As you dive deeper into the ocean, temperature _____ and pressure _____. | Decreases. Increases. |
The average salinity of the open ocean is _____PPT. | 35. |
The average temperature of the deep ocean is ____ F. | 32. |
What is the approximate pH of typical ocean water? | 8.1. |
Organisms that use sunlight to make their own food (i.e. glucose) are called _____. | photoautotrophs. |
A CTD measures the following parameters (and what the acronym stands for): | conductivity, temperature, and depth. |
Plankton is/are a group of organisms that. | drift or float freely in aquatic environments for all or part of their lives. |
Of the following, which is not a driver of ocean currents? | eutrophication. |
How long does it take the Moon to make a complete orbit around the Earth? | 27 Days. |
How long does it take the Earth to make one complete rotation around its own axis? | 24 Hours. |
How long does it take the Earth to complete one rotation around the sun? | 365 Days. |
A sea turtle has lungs. | True. |
What reptilian feature explains why iguanas bask in the sun after feeding in the water? | Ectothermy. |
Sea turtles reproduce by? | Laying eggs on the beach. |
The highest high tides and lowest low tides which occur when the moon and sun are lined up with the Earth are called ____ tides: | spring tides. |
The Blue Crab is most closely related to the ____. | Lobster. |
This shark is the largest in the world. | Whale Shark. |
Which of the following are most closely related to the sharks? | Stingrays. |
Which of the following is true of sharks and ray-finned fish? | They have different types of bones. |
Sponges belong to which of the following phyla? | Porifera. |
Which of the following characteristics is common to all Cnidarians? | Nematocysts. |
A sea star is a(n) _______. | Echinoderm. |
All mammals: give birth to live young and have mammary glands, have fur or hair at some stage of their life, and are warm blooded. | False. |
Fish have _____ heart chambers. | 2. |
Most reptiles and amphibians have a ____ chambered heart. | 3. |
Warm water holds more dissolved oxygen than cold water. | False. |