unit 5
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true or false? most reptiles have 4 toes or claws
False! they are tetrapods so they have 5 toes or claws
true or false? echinoderms have a skeleton under their skin
true!
True or false: Animals have prokaryotic cells
False! Animals have eukaryotic cells.
True or false: touch receptors are NOT located in only one specific part of the body.
TRUE! Touch receptors are located all over the body.
Is Sammy scared of Spiders or Snakes? 🕷️🐍
Spiders! 🕷️
Another name for a porifera is a
sponge
Name the parts of a molluscs body
a head, muscular foot, and a visceral mass (and a shell)
Where does the nervous system recieve signals from?
The nervous system recieves signals from receptors.
What type of animals´ eyes only capture the intensity of the light?
Most invertebrates
Do beaks have teeth?
no
What special feature do mandibulates have?
mandibles
What shape do the bodies id cnidaria take?
polyp or medusa
What specialized structure does a worm use for the gas exchange?
Surface of the body
What are the three ways animals obtain nutrients?
Directly absorbing from the environment, filtering particles of food through water, and taking them in through the mouth.
What is the lateral line of a fish an example of? (unit 4)
Vibration or movement receptors
most fish are _____ meaning they use external fertilization
oviparous
What animals are ectothermic?
reptiles, fish, and amphibians
What type of eyes do humans have? What makes this type different?
Camera-type eyes. They focus the light and a layer of photoreceptor cells.
Using the diagram of the male and female flies, where are the gametes produced?
Female: The uterus
Male: Testicles
What are the two types of digestive systems? (unit 4)
Gastrovascular cavities and digestive tracts
anurans (frogs and toads) and urodeles (salamanders and newts)
Name the parts of an anthropod's body
usually, the head, thorax, and abdomen
What is the difference between a closed circulatory system and an open circulatory system?
In a closed system, the fluid always circulates inside the vessel
If I put my hand on ice and feel it becoming colder, what receptors am I using?
Thermoreceptors
According to the textbook, what helps animals move? (unit 4)
well-developed locomotory organs and muscular systems