For growth to occur in organisms, the rate of
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2,572 questionsVaccination is carried out in order to
Floating microscopic heterotrophs are mostly grouped as
The biological association that contributes directly to succession in a community is
A group of organism of different species living in a particular area is described as a
The ability of the eyes to focus on both near and distance objects is termed
The process of walking is under the control of the part of the brain called
In which of the following vertebrates does the skin function as a respiratory surface
The excretory structure in the earthworm is the
Use the diagram to answer the question
The neural arch is labelled
Use the diagram to answer the question
The vertebra illustrated is
Which of the following waste products in plants is excreted through the stomata and lenticles?
The process by which a red blood cell placed in distilled water absorbs water until it burst and realease it's content into the surrounding is known as
The smallest living organism which share the characteristics of both living and non-living matter are
Which of the following instruments is NOT used in measuring abiotic factors in any habitat?
What is the term used to describe biotic and abiotic factors in the environment of the organism?
The bright colours of the comb and feathers in the peacock are for?
The butterfly is of great economic importance because
The villus in the small intestine is significant because
In which of the following does external fertilization take place?