Fact 1: Amphibians have a relatively complex circulatory system with a three-chambered heart. Fact 2: Frogs have a three-chambered heart, consisting of two atria and a single ventricle. Given the two facts above, what group of animals do frogs belong to?
OPTIONS:
- four limbs
- animals
- fish
- warm-blooded
- reptiles
- Amphibians
- more abundant
- mammals
Amphibians
--
Fact 1: Passive immunity lasts only as long as the antibodies survive in body fluids. Fact 2: An antibody is a protein that attaches to an antigen. Given the two facts above, what lasts only as long as the proteins that attach to an antigen survive in body fluids?
OPTIONS:
- hospitalization
- recovery
- parasites
- solid, liquid, gas
- Leptospirosis
- Allergies
- resistance
- passive immunity
passive immunity
--
Fact 1: Energy is passed up a food chain or web from lower to higher trophic levels. Fact 2: An example of chemical energy is food nutrients. Given the two facts above, _ are passed from lower to higher trophic levels?
OPTIONS:
- fossil fuels
- rays or beams
- nutrients
- environment
- animals
- heat produced
- Most plants
- Light
nutrients
--
Fact 1: Chromosomes contain genes, which code for proteins. Fact 2: Protein builds and repairs body tissue. Given the two facts above, chromosomes contain genes, which code for?
OPTIONS:
- Most plants
- Plants growth
- body tissue
- Animal survival
- animals
- Chemical energy
- peachleaf willow
- A Greek letter
body tissue
--