Invertebrates
Animals with jointed legs are classified under ______.
a. arthropods
b. echinoderms
c. mollusks
a. arthropods
Which group of vertebrates literally means double life?
amphibian
Animals become __________ when there is no reasonable doubt that the last remaining individual of that species has died.
Extinct
The living component in an ecosystem is called __.
biotic
What do you call animals with backbone?
vertebrates
Which group of invertebrates have stinging cells?
cnidarians
Which of the following is a cartilaginous fish?
a. shark
b. whale
c. sunfish
a. shark
Animals that can only be found in captivity are called ____.
Extinct in the wild
Producers make their own food. They are also known as _____________.
autotrophs
Animals that do not or cannot move are called __________.
sessile
Worms that are divided into segments like earthworms and leeches are called _____.
annelids
Animals that can adjust their body temperature depending on the temperature of their environment are called ________.
Animals that have a widespread and abundant population are at the lowest level of conservation.
Least Concern
Tawilis is a kind of freshwater sardine that can only be found in Taal lake. What is the limiting factor in the statement?
a. sunlight
b. physical barriers
c. water
b. physical barriers
Animals cannot make their own food and rely on other organisms for food. That's why they are called ___________.
heterotrophs
These are unsegmented worms with a tough cuticle that sheds off as they grow.
Nematodes or Roundworms
Pouched animals are called ________.
marsupials
An animal is ________ if its population has declined between 80 to 90percent.
Critically endangered
What type of organisms can't be found in twilight and midnight zones of the ocean where sunlight does not penetrate?
producers/autotrophs
True or False
Some animals can reproduce asexually which requires only one parent.
TRUE
Animals like starfish have radial symmetry. They belong in what classification of invertebrates?
Echinoderms
Animals that are characterized by dry scales or bony plates covering their body are called __________. They are also cold-blooded.
Reptiles
The burning of the forest to turn into farmland is called ________ in the Philippines. It is also called slash and burn.
Kaingin
animals that break down dead organisms into minerals and nutrients that make the soil rich is called ______.
Decomposers
Animals eat food. Some animals eat decaying or dead organisms. They are called __________.
detritivores