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12 questions
A food chain must start with a ___________
producer
primary consumer
secondary consumer
tertiary consumer
Green plants convert light energy into________ energy.
kinetic
chemical
heat
Secondary consumers are herbivores.
True
False
The size of tertially consumer is usually bigger than secondary consumer,
True
False
Water is released into atmosphere by plants is known as ________________
combustion
transpiration
photosynthesis
The process which absorbs carbon dioxide is________________
respiration
photosynthesis
decomposition
A _____________ is a few populations of different organisms that live together in one habitat and have mutual interaction with one another.
species
population
community
ecosystem
Which of the following interaction is mutualism?
sea anemone and clown fish
tiger and zebra
remora fish and shark
tapeworm and human
Prey is eaten by predator.
True
False
The bird's nest fern and trees is_______________
mutualism
commensalism
parasitism
prey-predator
The following are the benefits of biological control, EXCEPT
does not cause pollution
environmental friendly
expensive
The following are the steps to solve the effects of human activities on the environment, EXCEPT
enforce laws
use biological controls
illegal logging
increase public awareness
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