In which of the following organisms is the siphon found?
Tadpole
Mosquito pupa
Tilapia
Crayfish
Butterfly
Correct answer is B
No explanation has been provided for this answer.
adaption
survival
regeneration
variation
organic evolution
Correct answer is E
No explanation has been provided for this answer.
Which of the following does not imply an attempt at conservation?
Limit the size of nets used in fishing
Limit the size of vessels to be used in fishing
Prohibiting hunting or fishing in a certain season
Prudent management of natural resources
Restraining the use of the natural resource
Correct answer is E
No explanation has been provided for this answer.
Which of the following is the least safe method of birth control? Using
spermicide creams
contraceptive pills
barriers such as condoms
intrauterine device
the withdrawal method
Correct answer is E
No explanation has been provided for this answer.
The deficiency of calcium in a plant may result in
stunted growth and poor root development
poor growth, leaves become orange or brown
stunted growth, slender stem, and yellowing leaves
very small leaves and yellowing of leaves
tall, weedy, and reddish leaves
Correct answer is A
No explanation has been provided for this answer.