Fact 1: Poison causes harm to living things. Fact 2: Toxins or poisons are a stress. Given the two facts above, answer the question "_causes harm to living things" with the following options: - Nematoda - organisms - stress - pesticide - nutrients - stimuli - animals - moisture
stress

Fact 1: Cartilage is a tough tissue that contains a protein called collagen. Fact 2: Sharks have a cartilage skeleton. Given the two facts above, answer the question "What has skeleton made of tough tissue that contains a protein called collagen?" with the following options: - mammals - rocks - animals - sharks - a fish - cows - humans - plants
sharks

Q: Fact 1: Cells are the basic units of the structure and function of living things. Fact 2: Tigers are the largest of the living cats. Given the two facts above, answer the question "Cells are the basic units of the structure and function of what?" with the following options: - water - mammals - ice - tigers - animals - humans - plants - the Sun
A: tigers

Question: Fact 1: Blowing air into a whistle causes air to vibrate inside the whistle. Fact 2: All sounds begin with vibrations. Given the two facts above, answer the question "what do whistles use to make sound?" with the following options: - Collagen - air - Energy. - power - oxygen - waves - friction - energy
Answer: oxygen

*Question*
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
**Answer**
lipids

Fact 1: If seeds stick to the fur of an animal then that seed will be transported by the animal. Fact 2: All mammals are animals. Given the two facts above, answer the question "How can mammals transport seeds?" with the following options: - mechanical - Movement - with their ears - with their teeth - with their eyes - with their fur - four limbs - circulatory systems
with their fur