Which of these diseases cannot be spread by an insect?
Cholera
Malaria
Trypanosomiasis
Measles
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements about feeding relationships is correct?
In a food web on land, grasshopper feeds on praying mantis and on predator bugs
In a food chain on land, green plant is the producer
In an aquatic food chain mollusc larvae are the producers
In an aquatic food web, various copepods feed on mollusk Larvae and on sand eel
Correct answer is B
No explanation has been provided for this answer.
Organisms that feed essentially on plants within any ecosystem may be referred to as
carnivores
herbivores
saprophytes
omnivores
Correct answer is B
No explanation has been provided for this answer.
Which of these factors are common to both aquatic and terrestrial habitats?
Light, rainfall, and turbidity
Light, temperature, and tide
Light, rainfall, and temperature
Rainfall, turbidity, and salinity
Correct answer is C
No explanation has been provided for this answer.
biotic
edaphic
abiotic
physiographic
Correct answer is C
No explanation has been provided for this answer.