What is a system developed by a British hydrographer, Sir Frances Beaufort, in 1805 to describe wind force at sea?
100
primary producers
What are organisms that make their own food from sunligth and chemical energy from deep sea vents?
100
genetic variation
What provides the genetic material for natural slection and is brought about by mutation, which is a permanent change in the chemical structure of a gene?
100
abyssal plain
What is the mostly flant portion of the ocean floor which provides a home to a variety of aunique organisms that are adapted to the extreme conditions of this habitat?
200
biodiversity
What is the degree of variation of life?
200
flood
What is tidal currents that are moving toward the beach?
200
Herbivore
What is an animal that eats only plants?
200
appendage
What are the body parts attached to the main body, tails, fins, legs, etc?
200
amplitude
What is the height of a wave?
300
Commensalism
What is a symbiotic relationship in which one organism benefits and the other is unaffected?
300
mixed tides
What is a single low tide follows two high tides?
300
omnivores
What are animals that eat both animals and plants?
300
larva
What is the active immature form of an organism, especially one that differs greatly from the adult and forms the stage between egg and adult e.g.,meroplankton?
300
benthos
What are organisms that live on or in the ocean floor?
400
energy piramid
What is a diagram that shows the amount of energy that moves from one feeding level to another in a food web?
400
duration
What is the length a gust of wind blows?
400
primary consumers
What are the animals that eat primary producers?
400
chromatophores
What is the cell containing pigment especially one that, through contraction and expansion, produces a temporary color, as in cuttlefish?
400
atoll
What is a ring-shaped island or reef that surrounds a lagoon?
500
Consumer
What is an organism that obtains energy by feeding on other organisms?
500
fetch
What is the distance the wind blows?
500
carnivores
What are the meat eaters?
500
conditions
What is the range of abiotic factors such as salinity or temperature that determines where an organism can live?
500
estuary
What is a body of water where a river meets the ocean?