Chordates have a complete digestive system and a closed circulatory system, and because reptiles are vertebrates, they are chordates. Given these facts, what have complete digestive systems among the following options: - a fish - saliva - mammals - insects - protist - barnacles - reptiles - rabbit
reptiles

(Question)
If a habitat can no longer support animals then those animals will move to another area, and habitat destruction is a major threat to wildfowl. Given these facts, when wildfowl's territory is destroyed, they must do what in order to survive among the following options: - wait - kill - evolve - live - mating - mate faster - Move - die
(Answer)
Move

Ques: Alight bulb is used for seeing in the dark, and conventional light bulbs generate light by heating a filament. Given these facts, what is helpful for seeing in the dark among the following options: - an electron microscope - an electron lens - microscope - closing the blinds - blackouts - closing your eyes - focusing a lens - heating a filament
Ans: heating a filament

(Q).
Antibodies are large, Y-shaped proteins that recognize and bind to antigens, and antibodies are produced to fight antigens. Given these facts, what do proteins fight among the following options: - heat - calories - carbohydrates - illness - parasites - fat - resistance - antigens
(A).
antigens

Ques:An animal needs to attract a mate to reproduce, and mammals are animals which raise their young on milk and typically give birth to live young. Given these facts, what needs to attract a mate in order to give birth to live young among the following options: - humans - Jellyfish - mammals - Frogs - birds - hormones - insects - reptiles

Ans:mammals

Ques:Awindmill converts wind energy into electricity primarily by using mechanical energy, and windmills are machines operated by windpower. Given these facts, what converts wind energy into electricity among the following options: - clouds - mechanical waves - windpower operated machines - Movement of an air mass - solar panels - Warm air moving into cold air - batteries - tectonic plates being pushed together

Ans:
windpower operated machines