(Q).
If animals with jaws have a complete digestive system and a closed circulatory system, then what has a complete digestive system and a closed circulatory system? Answer choices: - graptolites - Veins and arteries. - sunlight - graphite - fur seals - viruses - animals with jaws - Most plants
(A).
animals with jaws

(Q).
If warming in a skillet causes a chemical reaction in an egg, then warming in a skillet causes a what in an egg? Answer choices: - chemical reaction - egg formation - shell crack - They may not survive. - chemical ending - Chemical energy - Evaporation - looseness
(A).
chemical reaction

(Q).
If electron transport requires oxygen, then what does electron transport require? Answer choices: - Energy. - Energy - glucose - currents - kinetic - heat - oxygen - food
(A).
oxygen