WorksheetsEcology
Total questions: 44
Worksheet time: 22mins
Name
Class
Date
1.
Pesticides can harm frogs by
a)
weakening their immune system
b)
causing developmental deformities
c)
A and B
2.
which is NOT a threat to amphibian species
a)
pond building
b)
pollution
c)
habitat destruction
3.
_____ of all amphibians are threatened with extinction
a)
1/10
b)
1/3
c)
1/4
4.
Humans will cause more than half of the existing species in the world to go extinct in the next 100 years
a)
True
b)
False
5.
a food chain begins with
a)
producer
b)
consumer
c)
primary energy source
6.
which is NOT an autotroph
a)
tree
b)
plant
c)
mushroom
7.
which is NOT a consumer
a)
plant
b)
lion
c)
bird
8.
which is NOT a producer
a)
zebra
b)
lily pad
c)
tree
9.
frogs are not important to a food web
a)
true
b)
false
10.
a network of many food chains
a)
food cycle
b)
food web
c)
tertiary web
11.
the position an organism holds in a food chain
a)
energy source
b)
food level
c)
trophic level
12.
meat-eaters
a)
herbivore
b)
omnivore
c)
carnivore
13.
these eat only autotrophs
a)
herbivore
b)
omnivore
c)
carnivore
14.
these eat meat and producers
a)
herbivore
b)
omnivore
c)
carnivore
15.
animals with backbones that spend part of their life in water and part on land
a)
fishes
b)
reptiles
c)
amphibians
16.
how many frogs have become extinct in North and South America in the last 100 years
a)
5
b)
8
c)
10
17.
Since frogs breathe through their skin, they do not easily absorb pollution
a)
true
b)
false
18.
a rabbit eats grass, a snake eats the rabbit, a fox eats the snake, a coyote eats the fox--the fox is a ________ consumer
a)
primary
b)
tertiary
c)
quaternary
19.
a rabbit eats grass, a snake eats the rabbit, a fox eats the snake, a coyote eats the fox--the snake is a ________ consumer
a)
primary
b)
tertiary
c)
quaternary
d)
secondary
20.
a rabbit eats grass, a snake eats the rabbit, a fox eats the snake, a coyote eats the fox--the rabbit is a ________ consumer
a)
primary
b)
secondary
c)
tertiary
21.
a rabbit eats grass, a snake eats the rabbit, a fox eats the snake, a coyote eats the fox--the grass is
a)
a heterotroph
b)
a consumer
c)
an autotroph
d)
a tertiary producer
22.
what trophic level contains more organisms than any other level
a)
primary producers
b)
primary consumers
c)
secondary autotrophs
23.
approximately how much energy is lost at each trophic level
a)
5%
b)
10%
c)
1%
24.
which is NOT a detrivore
a)
vulture
b)
meerkat
c)
crab
25.
dead organisms
a)
consumers
b)
detrivores
c)
detritus
26.
which is not a decomposer
a)
vulture
b)
bacteria
c)
fungus
27.
which would NOT be a correct term to describe Simba (a lion) from the Lion King
a)
consumer
b)
producer
c)
predator
d)
apex predator
28.
which of the following is NOT a herbivore
a)
antelope
b)
zebra
c)
lion
29.
Hyenas are at the bottom of the food chain.
a)
true
b)
false
30.
1/10 of all amphibians are threatened with extinction
a)
true
b)
false
31.
what fraction of amphibians are threatened with extinction
a)
1/10
b)
1/2
c)
1/3
32.
if Timon is eating an insect he is a ___________ consumer
a)
primary
b)
secondary
c)
tertiary
33.
if a producer receives 5,000,000 kJ of energy, the tertiary consumer would only have access to about __________ kJ of energy
a)
500,000
b)
50,000
c)
5,000
34.
if a secondary consumer receives 50,000 kJ of energy from ingesting the producer, the producer received at least ___________ kJ of energy from the sun
a)
5,000
b)
50,000,000
c)
5,000,000
35.
if a producer receives 5,000,000 kJ of energy, the primary consumer would only have access to about __________ kJ of energy
a)
5,000
b)
500,000
c)
50,000
36.
in a food web, which organism should have arrows pointing to it from all organisms in the food web
a)
lion-apex predator
b)
plant-producer
c)
bacteria-decomposer
37.
it is estimated that humans will cause more than half of the existing species in the world to go extinct in the next 1,000 years
a)
true
b)
false
38.
It is not illegal to fish for salmon but there are very strict regulations
a)
true
b)
false
39.
it is estimated that humans will cause more than half of the existing species in the world to go extinct in the next ______ years
a)
10
b)
100
c)
1000
40.
the biggest cause of extinction today is
a)
over-harvesting
b)
pollution
c)
climate change
d)
habitat loss
41.
which is NOT a way to help protect biodiversity
a)
going organic
b)
saving energy
c)
using plastics whenever possible
42.
a white shark eats a seal, the seal eats a fish, the fish eats zooplankton, and the zooplankton eats phytoplankton which is an autotroph. The seal is a
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
quaternary consumer
43.
a white shark eats a seal, the seal eats a fish, the fish eats zooplankton, and the zooplankton eats phytoplankton which is an autotroph. The white shark is a
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
quaternary consumer
44.
a raccoon eats a fish, the fish eats a dragonfly larva, the dragonfly larva eats a mosquito larva, and the mosquito larva eats algae (a producer). which one is a tertiary consumer
a)
dragonfly larva
b)
fish
c)
raccoon
d)
mosquito larva
100 %
