Aquatics unit 7 PT Flashcards
Salmon lay their eggs in _____.
freshwater
In which TWO ways are echinoderms unique (different)?
They possess a water vascular system.
They possess suction cups on the tips of their appendages.
Some examples of invertebrate chordates are ____.
sea squirts and lancelets
What is regeneration?
the ability to grow new body parts when one or more get destroyed or damaged
Diatoms can be found in ____.
insulation
toothpaste
silver polish
An example of a floating plant can be _____.
hyacinth
duckweed
watercress
What does a preening gland do?
It secretes wax and fats onto their feathers.
refers to protists that carry out photosynthesis
algae
____________ developed the current taxonomy system.
Carl Linnaeus
What is true about the counter-current exchange?
The arteries in birds that live in very cold water are next to the veins in the feet, this allows their blood to be heated before it gets to their heart.
Some examples of echinoderms are ____.
sea cucumbers, sea lilies
starfish, sand dollars, sea urchins
What does amphibian mean?
double life
All mammals are ___________.
endothermic
warm-blooded
You can tell what a bird eats by looking at its _______.
beak
Some examples of crustaceans are _____.
crabs and lobsters
shrimp, barnacles, and crayfish
What is macrobenthos?
benthos that are larger than one millimeter
Some echinoderms feed off dead and decaying matter. This dead and decaying matter is called ____________.
detritus
What is physiology?
Physiology is the branch of biology that deals with body systems.
What are cephalopods?
have a distinctive head and tentacles
mollusks that do not possess shells
What is taxonomy? Why is it important?
the science of classification
It helps scientists identify all of earth’s species.
What are phytoplankton?
refers to protists that carry out photosynthesis
also known as algae
Some examples of plantlike protists are ____.
dinoflagellates
diatoms
euglenoids
_____ can be used to classify organisms through schematic and word _____ keys.
Taxonomy; Dichotomous
_____________ have leaves that can excrete salt.
Mangroves
When ____________ multiply rapidly in a short period of time, “red tides” will occur due to the amount of poison in the water.
dinoflagellates
_____________ are jawless fish.
Agnathans
Sea anemones and corals only exist in the ____________ form.
polyp
Sharks and rays reproduce through _____.
internal fertilization
Turtles are exothermic, what does this mean?
cold-blooded
Animal-like protists that feed off other organisms are also called ____.
zooplankton
feather-like slits that take in oxygen from the water and release carbon dioxide
gills
What is fragmentation?
the process of asexual reproduction in which a piece of the organism breaks off, forming a new organism
thin, bony plates that are formed from the skin of fish
scales
What are flippers?
modified appendages designed for swimming
Most of the fish in the world belong into the osteichthyes class, they are also called _____.
bony fish
_____________ are only found in cooler climates.
Brown algae
_____________, like seals, are able to live both on land and in the water.
Pinnipeds
An example of gastropods can be:
abalones and conches
sea slugs and snails
______________ are sessile, filter feed and are able to regenerate.
Sponges
_________ are both plant and animal like.
Euglenoids
______________ are able to stay under water for long periods of time because once their lungs are filled with air, they close their blowholes and collapse their lungs.
Cetaceans
fan-shaped membranes that help fish maintain balance, move, and steer themselves
fins
What do marine mammals have in order to maintain their body temperature?
blubber
What are mollusks?
have soft, unsegmented bodies
one type of invertebrate who are classified as nekton
possess a shell, which protects their soft bodies from harm
What are plants?
multicellular, eukaryotic organisms
part of the kingdom Plantae
have roots, stems, and leaves
Echinoderms have _______ symmetry in the larvae stage and ______ symmetry as adults.
bilateral; radial
What are some characteristics of sponges?
are simply made up of two layers of cells with a jelly like substance in between
reproduce both sexually and asexually
asymmetrical organisms that come in all shapes, sizes, and colors
are sessile and have skeletons
don’t have tissue, organs, or organ systems
are able to regenerate
What is sessile?
permanently attached to one spot
The majority of oil deposits come from _____.
cyanobacteria
Bivalve mollusks have ____ shells, while gastropods have ___.
two; one
What is meiobenthos?
benthos that are between one-tenth and one millimeter in size
