Which of the following statements is correct about organs?
They are composed of specialized cells
They perform a certain overall function
They are not found in plants
Unicellular animals have few organs
Correct answer is B
No explanation has been provided for this answer.
The epidermis of the mammalian skin is an example of a tissue because the cells
prevent light from passing through them
have a similar structure and function
prevent excessive loss of water
are impregnated with keratin
Correct answer is B
No explanation has been provided for this answer.
Which of these organelles is common to both plant and animal cells?
Chloroplast
Centriole
Mitochondrion
Pyrenoid
Correct answer is C
No explanation has been provided for this answer.
The following life processes are common to both plants and animals except
respiration
growth
reproduction
photosynthesis
Correct answer is D
No explanation has been provided for this answer.
Which of the following is not an evidence of evolution?
Fossil records
Comparative embryology
Polymorphism
Comparative anatomy
Correct answer is C
No explanation has been provided for this answer.