Food Webs
Scat
Pelts
Tracks
Skulls
100
Is a food web or a food chain bigger?
A food web is bigger. A food chain fits inside of a food web.
100
What contents make beaver scat easily identifiable?
saw dust/wood shavings
100
What mammal does this pelt belong to?
striped skunk
100
What direction is this animal moving?
From right to left
100
Who has wider peripheral vision, predator or prey animals?
prey
200
What is the difference between an autotroph and a heterotroph?
autotroph: produces its own food (plant)
heterotroph: gets its food from another source
200
What makes scat twisted, tapered rope like pointy ends?
hair
200
Who am I?
an opossum
200
Is this the fore or hind track of a skunk?
Fore
200
True or False: prey animals have forward facing eye sockets.
False
300
True or false: there are always 4 levels to an energy pyramid.
False
300
Why might one animal's scat look different during different seasons throughout the year?
Available food changes depending on the season, changing the diet of the animal, changing the animal's scat.
300
What mammal does this pelt belong to?
coyote
300
What mammal made these tracks?
beaver
300
What are the likely eating habits of the animal with this skull?
carnivore
400
What are the levels of the energy pyramid, starting from the bottom?
producer --> primary consumer --> secondary consumer --> tertiary consumer
400
What are the 4 characteristics to look at when identifying scat (in the correct order)?
1. location and placement
2. size
3. shape
4. contents
400
Who am I?
a fisher
400
What 2 characteristics of an animals gait tell you it was moving quickly?
1. Distance between tracks
2. Depth of tracks
400
What are the eating habits of the animal with this skull?
Bonus 50 pts: what animal is it?
herbivore
beaver
500
How do you calculate the amount of available energy at each level of an energy pyramid?
Divide the level below by 10. If you start with 100% energy available, the next level up has 10% available, then 1%, then 0.1%.
500
What mammal's scat is this?
striped skunk
500
How do the pelts of beavers and river otters keep them warm and dry in the water?
2 types of hairs:
outer = guard hairs, coated with oil from skin = waterproof
inner = underfur, soft and dense = warmth
500
Coyote
Fore: left
Hind: right
500
Explain the difference in snout shape for carnivores vs herbivores.
Carnivores: longer snout, more bite force, catch prey
Herbivores: shorter snout, less bite force, eat plant material