Review
What does it mean if an organism does not move and is attached to a surface?
sessile
Insects have ______ legs.
six
True/False: Crayfish can swim both forward and backward.
True
The class in phylum arthropoda that refers to spiders and scorpions is called ________________.
Arachnids
Which has more legs: a centipede or millipede?
millipede
What is an autotroph? Give an example.
An organism that can make its own food.
Plants, some bacteria, etc.
Some insects, such as bees and ants, have a complex __________ organization that determines each organisms job/purpose in life.
social
Name the two organisms we dissected that are members of the Class crustaceans.
crayfish, crab
What kind of symmetry do arthropods have?
(Radial, Bilateral, Asymmetry)
Bilateral
What is the most abundant type of animal in the world?
Hint: (It is one of the phylums we discussed yesterday)
Arthropods
A jellyfish is an organism that is a part of what phylum?
Cnidaria
How many wings do butterflies have?
four
Why did the male crab have one giant claw?
To wave around to attract the female; to protect itself
Name the three segments of an arthropods body.
Head, thorax, abdomen
Which gender of bee has a stinger?
female
Name all of Linnaeus' Classifications. (Think of the acronym)
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
The larger, back pair of legs on a grasshopper are used for what?
jumping
Crayfish have hairs on their body that are specialized for _____________. (Hint: it is one of the senses)
Touch
Name one of the three organ systems an arthropod has and its purpose in the body of the animal.
Circulatory - pump blood
Respiratory - carry oxygen through the body
Nervous - allows arthropods to have very good senses
Of the animals we dissected, which ones had a brain?
The arthropods, the squid
Worms can regenerate if they lose the _______ section of their body.
(Hint: The answer is a directional term that means "further back")
posterior
Which segment of an insect contains the most organs?
abdomen
The crabs we dissected were _____________, while the crayfish we dissected were omnivores, sometimes even participating in cannibalism.
herbivores
In arthropods, which organ system is responsible for distributing oxygen throughout the body: circulatory or respiratory?
respiratory
Members of the class bivalvia are ________ filter feeders.
Hint: (They consume nutrients and small organisms that live in soil/sand and can be carried by water)
sedentary