Fact 1: Courtship is behavior that is intended to attract a mate. Fact 2: For example, female birds secrete estrogen in response to the courtship of their male mates. Given the two facts above, answer the question "What do birds secrete to attract a mate?" with the following options: - Energy. - Energy - fur and fat - seeds - oxygen - pollen - Estrogen - acetic acid
Estrogen

(Question)
Fact 1: Most plants continue to grow throughout their lives. Fact 2: Plants use the light energy to grow. Given the two facts above, answer the question "What do most plants continue to use throughout their lives?" with the following options: - Light energy - money - wealth - sunlight - The Sun - food and shelter - energy - Mechanical energy
(Answer)
Light energy

Ques: Fact 1: Electricity is used as an energy source by electrical devices. Fact 2: Electrical engineers work on power plants, computers, and other electrical devices. Given the two facts above, answer the question "What uses electricity as an energy source?" with the following options: - plants - athletes - satellites - consumers - cells - computers - insects - people
Ans: computers

(Q).
Fact 1: Lipids may consist of fatty acids alone, or they may contain other molecules as well. Fact 2: All biological membranes contain lipids as the major constituent. Given the two facts above, answer the question "What is the major thing that biological membranes consist of?" with the following options: - chemicals - glucose - lipids - Energy - complex - oxygen - matter - an ion
(A).
lipids

Ques:Fact 1: Agraduated cylinder is used to measure volume of a liquid. Fact 2: Most of the earth's water is liquid. Given the two facts above, answer the question "What can be used to measure the volume of water?" with the following options: - Spring Loaded Cylinder - Tape Measure - watershred - Earth orbiting the Sun - an electron lens - a graduated cylinder - an electron microscope - Ruler

Ans:a graduated cylinder

Fact 1: Roundworms make up the phylum Nematoda. Fact 2: Also, nematoda and rotifera are important groups contributing to soils. Given the two facts above, answer the question "what contributes to soils?" with the following options: - roundworms - humans - rainfall - cacti - bacteria - weathering - viruses - Most plants
roundworms