a) Transport of substance against the concentration gradient by using energy is called___________ transport.
b) Temperature in air ___________ the rate of transpiration.
c) Thyroid gland secretes hormone ___________.
d) Hormones are called ___________ messengers.
e) Spores are formed during ___________ condition.
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A substance that has a fixed chemical composition throughout is called a pure substance such as water, air, and nitrogen. A pure substance does not have to be of a single element or compound.
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Answer:
a) Active Transport
b) Increases
c) Thyroxine
d) chemical
e) unfavorable
Explanation:
a) Active means using energy.
b) Increase in Temperature starts evaporating the surface water.
c) T3 Hormone , which get converted into T4 ( Thyroxine) hormone.
d) Hormones are chemicals (proteins), thereby called chemical messengers.
e) Unfavorable condition are dealt by resistant, dormant, protective spores.
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