You are presented with the question "Sharks have as skeleton that contains" and the following answer choices: - elastin - Epidermis - calcium - fur and fat - marrow - strength - all matter - collagen Now knowing that cartilage is a tough tissue that contains a protein called collagen and sharks have a cartilage skeleton, choose the best answer.
collagen
You are presented with the question "harming an animal species causes that animal's species to become what?" and the following answer choices: - deforestation - an animal species - threatened - barrel-shaped - more populous - endangered - more popular - imbalanced Now knowing that harming an animal species causes that animal 's population to decrease and serious questions remain regarding what happens if endangered populations continue to decrease, choose the best answer.
endangered
Q: You are presented with the question "What is used to study viruses?" and the following answer choices: - rays or beams - Cooking - aqueous solution - energy - an image - radiation - radiography - Dilution Now knowing that viruses are so small that they can be seen only with an electron microscope and viruses are studied by radiography and use of the electron microscope, choose the best answer.
A: radiography
Question: You are presented with the question "What do amphibians pump around the body in a complex manner?" and the following answer choices: - SO2 - food - Energy. - oxygen - Energy - thoughts - blood - water Now knowing that amphibians have a relatively complex circulatory system with a three-chambered heart and blood is pumped around the body by a heart , choose the best answer.
Answer: blood
*Question*
You are presented with the question "What do plants require to make food?" and the following answer choices: - nutrients - sunlight - photons - Energy. - Light - Proteins - power - heat energy Now knowing that aplant requires sunlight for photosynthesis and photosynthesis is the process of making food, choose the best answer.
**Answer**
sunlight
Q: You are presented with the question "What may cause animals to fight towards members of their own species?" and the following answer choices: - Males and females - food and shelter - energy of moving objects - fashion - jealousy - vanity - parasites - threatened Now knowing that competition may cause animals to fight towards members of their own species and competition Animals compete for food and shelter, choose the best answer.
A: food and shelter