Answer:
your answer is b cells are white blood cells that work by producing antibodies, whereas t cells attack foreign invaders directly.
Explanation:
flashcards
D. Learned behaviors do not directly affect natural selection because they are not inherited.
This is true because learned behaviors can be taught to the offspring but do not come within them the way instincts do.
The chromosomes become more compact and tightly coiled. They are ready to separate. :)
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Vector: anything that transmits a disease.
Malaria vectors can include mosquitos, ticks, and other blood sucking insects.
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Answer:
The water which is released back to the lake contains thermal energy ie heat energy from cooled engines therefore bringing thermal pollution
