Ques: Amphibians are the first true tetrapods, or vertebrates with four limbs, and tetrapod classification Tetrapods are monophyletic. Given these facts, what are monophyletic with four limbs among the following options: - animals - mammals - amphibians - warm-blooded - Most plants - alpacas - Conifers - graptolites
Ans: amphibians

Ques: The looseness of soil increases the amount of oxygen in that soil, and without oxygen in the soil, most plants die. Given these facts, what helps plants survive among the following options: - nutrients - staying warm - Loose pants - hydration - hydrate their cells - Looseness of soil - Looseness of belt - Looseness of lips
Ans: Looseness of soil

Ques: Pressure receptors are found mainly in the skin, and skin is comprised of two layers, the epidermis and dermis. Given these facts, where are pressure receptors mainly found among the following options: - heat or cold - Earth orbiting the Sun - h2o - epidermis and dermis - Veins and arteries. - an organism's body - brain - stomach
Ans: epidermis and dermis

Ques: Chemical weathering causes iron in rock to oxidize, and rust colored residues are due to oxidized iron. Given these facts, what causes rust among the following options: - a pathogens - Roundworms - flow of electrons - dust - thunder - an amoebae - chemical weathering - skin
Ans:
chemical weathering