The group of several populations that interact and share a habitat, form
a species
a community
an ecotype
a tribe
Correct answer is B
No explanation has been provided for this answer.
Which of the following components of an ecosystem does not contribute to the biomass of the system?
Producers
Consumers
Microorganisms
Habitat
Correct answer is D
No explanation has been provided for this answer.
The first step in carrying out ecological studies in a terrestrial habitat is
quadrat sampling
mapping the area
collecting organisms
measuring abiotic factors
Correct answer is B
No explanation has been provided for this answer.
Siphons and gills are structures in aquatic organisms used for
gaseous exchange
buoyancy
excretion
movement
Correct answer is A
No explanation has been provided for this answer.
Which of the following organisms feeds both autotrophically and heterotrophically?
Hydra
Paramecium
Mucor
Euglena
Correct answer is D
No explanation has been provided for this answer.