Fact 1: Ethologists usually study how animals behave in their natural environment. Fact 2: Environments reflect native habitats. Given the two facts above, answer the question "where to ethologists usually study how animals behave?" with the following options: - landscapes - natural selection - home - habitat - fields - Summer - seasons - zoo
habitat

(Question)
Fact 1: Prokaryotes are single-celled organisms that lack a nucleus. Fact 2: Bacteria and archaebacteria are prokaryotes. Given the two facts above, answer the question "Bacteria and archaebacteria examples of what?" with the following options: - grass - multi-celled organisms - seeds - Something that causes allergies - major threat to health - single-celled organisms - microorganisms - Food poisoning
(Answer)
single-celled organisms

Ques: Fact 1: Asandbar is formed by water moving sediment downstream. Fact 2: Mineral sediments are normal. Given the two facts above, answer the question "what does water move downstream to form a sandbar?" with the following options: - fish - minerals - erosion - oxygen - loose soil - h2o - rivers - rain
Ans: minerals

(Q).
Fact 1: Echinoderms lack a centralized nervous system. Fact 2: Echinoderms are represented by the starfish. Given the two facts above, answer the question "What lacks a centralized nervous system?" with the following options: - humans - dogs - our planet - insects - barnacles - starfish - birds - Pesticides
(A).
starfish

Ques:Fact 1: An animal usually requires a warm body temperature for survival. Fact 2: Temperature Temperature is an measurement of the amount of heat. Given the two facts above, answer the question "What do most animals need to be sure they survive on the Earth?" with the following options: - smell and taste - biodiversity - a building to live in - regulated body heat - a mate - sense organs - food and shelter - a car

Ans:regulated body heat

Fact 1: An image in a mirror is formed by reflecting light. Fact 2: Light seems to travel in rays or beams. Given the two facts above, answer the question "what is reflected in a mirror to form an image?" with the following options: - an electron lens - rain or sun shine - density - rays or beams - sunlight - an object - air - glass
rays or beams