Spineless
If an animal does this as it grows, then it is definitely an arthropod
What is molting?
An example of artificial selection
What is selectively breeding animals or plants?
What are marine iguanas/sea turtles/sea snakes/saltwater crocodiles?
Two reasons why sharks are vulnerable to overfishing
What are slow gestation/late maturity/small broods/internal fertilization/long migrations?
If a grouping on a phylogenetic tree does not include all of the descendants of a single common ancestor, then it is a ___________ group.
What is a paraphyletic group?
Cnidarians have this type of symmetry
What is radial symmetry?
The case of the peppered moths in England was an example of this phenomenon
What is natural selection/industrial melanism?
What is a seal/sea lion/walrus; dugong/manatee; and baleen whale?
An example of a fish from each fish class:
Agnatha, Osteichthyes, and Chondrichthyes
What are hagfish/lamprey; any bony fish; shark/skate/ray?
Urchins use their ______ to eat _____
What is their Aristostle's lantern to eat algae?
While squids have an internal shell, these cephalopods have no shell
What are octopuses?
Non-functional traits left over from evolution are called these
What are vestigial traits?
Bonus: Name a vestigial trait in humans
PCB's and mercury are particularly concentrated in the fatty tissues of marine mammals because of this process
What is bioaccumulation/biomagnification
Bonus: Define the difference between the two terms
A leafy seadragon blending in with the sargassum seaweed around it is an example of this type of camouflage
What is cryptic coloration?
This refers to the twisting of gastropods' bodies
What is torsion?
Bivalves have a siphon, but they do not have one of these
What is a radula?
Evolution can be defined as the change in this type of traits over time
What are heritable traits?
When killer whales eat the sea otters in an area, this happens to the amount of kelp
What is the amount of kelp decreases?
These are two adaptations of open-water fish that help them survive in their environment
What are silver colour/countershading/streamlined body shape/retractable fins/warm-blooded/no swim bladder?
These are 3 characteristics of animals
What are multicellular, heterotrophic, eukaryotic, capable of movement at some point in their lives?
Three classes from the phylum Mollusca
What are Bivalvia, Polyplacophora, Gastropoda, and Cephalopoda?
Shared derived traits, or these, are used to deduce phylogeny
What are synapomorphies?
What are finding food in a “patchy” environment; dealing with salty diet; keeping feathers clean and dry; avoiding predators, etc.?
Mesopelagic migrating fish are likely to have this trait
What is a swim bladder/strong muscles?
Name the hierarchy of Linnean classification, from kingdom to species
What is kingdom, phylum, class, order, family, genus, and species?