Fact 1: Male dogs use pheromones in urine to mark their territory. Fact 2: Pheromones are a sub-category of semiochemicals. Given the two facts above, answer the question "Male dogs use_ in urine to mark their territory." with the following options: - ammonia - Chemical energy - proteins - semiochemicals - animals - heat produced - nitric oxide - They have thick fur
semiochemicals

(Question)
Fact 1: Heterotrophs get food by eating other living things. Fact 2: Great egrets are heterotrophs . Given the two facts above, answer the question "Great egrets get food by doing what?" with the following options: - sleeping - eating other living things - Transfers energy - converting mass to energy - Something coming from a gland - photosynthesis - dying - competing for resources
(Answer)
eating other living things

Ques: Fact 1: Sonar is used to find the location of an object. Fact 2: Active Sonar Active sonars transmit acoustic energy and detect targets by echolocation. Given the two facts above, answer the question "what is used to find objects underwater?" with the following options: - echolocation - a hydraulic system - heat energy - Electrical energy - dolphins - mussels - by indirect light - rays or beams
Ans: echolocation

(Q).
Fact 1: Producing thrust causes something to move. Fact 2: An engine is needed to provide the thrust for forward motion. Given the two facts above, answer the question "causing something to move can need what?" with the following options: - heat energy - a disc - a meal - energy - an engine - voltage - a stick - arteries
(A).
an engine

Ques:Fact 1: An animal needs to attract a mate to reproduce. Fact 2: Males sing to attract females. Given the two facts above, answer the question "What do some animals do in order to reproduce?" with the following options: - Social - immune - ligt - grow - live - DNA - sex - sing

Ans:sing

Ques:Fact 1: Aairplane is used for moving people across bodies of water. Fact 2: An island is land surrounded by water. Given the two facts above, answer the question "People can be moved where in an airplane?" with the following options: - outer space - oceans - the moon - islands - Pacific - germany - the sun - Mountains

Ans:
islands