Fact 1: Invertebrates are animals that lack a vertebral column, or backbone. Fact 2: Insects are the most common invertebrates. Given the two facts above, answer the question "What don't insects have?" with the following options: - Sensory organs - Chlorophyll - exoskeleton - Energy. - Energy - nerves - backbones - antennae
backbones

Fact 1: Some viruses can cause cancer. Fact 2: Leukaemia and lymphoma are cancers of the blood. Given the two facts above, answer the question "what can some viruses cause?" with the following options: - extinction - Allergies - Dehydration - anemia - lymphoma - relocation - Pollution - Toxicity
lymphoma

Q: Fact 1: Harming an animal species has a negative impact on the population size of that species. Fact 2: All dogs are animals . Given the two facts above, answer the question "what species has a negative impact on population size when they are harmed?" with the following options: - clouds - water - humans - Bats - aliens - Cars - dogs - squids
A: dogs

Question: Fact 1: Playing is just one of many ways that mammals and other animals learn how to behave. Fact 2: Dogs like to play fetch. Given the two facts above, answer the question "Fetch is one way that what learns how to behave?" with the following options: - Bats - otters - Man - cooking - dogs - skating - humans - fishing
Answer: dogs

*Question*
Fact 1: Insulin is a hormone that helps cells absorb sugar from the blood. Fact 2: Helps insulin regulate blood sugar. Given the two facts above, answer the question "What regulates sugar?" with the following options: - lmestone - blood - carbohydrates - insulin - cows - pancreas - sweating - choloroplasts
**Answer**
insulin

Q: Fact 1: Mollusks have a circulatory system with one or two hearts that pump blood. Fact 2: Clams, oysters and snails are familiar mollusks. Given the two facts above, answer the question "have a circulatory system with one or two hearts" with the following options: - Birds - alpacas - elms - Clams - salmon - animals - toads - complex
A: Clams