Which statement about decomposers is NOT true?
They are saprophytes
They carry on intracellular digestion
They facilitate the cleansing of the environment
They facilitate the recycling of nutrients
They form a link between autotrophs and heterotrophs
Correct answer is B
No explanation has been provided for this answer.
Which of these pairs best illustrates a symbiotic association?
dodder on green plants
ferns growing on palm trees
lice on hair of mammals
sea anemone attached to hermit crab
tick found on the body of a cow
Correct answer is D
No explanation has been provided for this answer.
fission
fusion
meiosis
mitosis
oogenesis
Correct answer is C
In preparation for meiosis, a germ cell goes through the interphase, during which the entire cell (including the genetic material contained in the nucleus) undergoes replication.
Which of the following sequences best illustrates a food chain in an aquatic habitat ?
algae → fungi → toad → snake
diatoms → tadpole → fish → kingfisher
grass → grasshopper → toad → whale
phytoplankton → fish → snake → kingfisher
zooplankton → tadpoles → fish → kingfisher
Correct answer is B
No explanation has been provided for this answer.
The streaming movement of cytoplasm observed in a freshly cut leaf of a water plant is termed
amoeboids
centrifugal motion
ciliary motion
cyclosis
osmosis
Correct answer is D
No explanation has been provided for this answer.