You are presented with the question "A significant evolutionary response might be the result of what?" and the following answer choices: - Plant reproduction - Greenhouse gasses - climate change - rapid expansion - Plants growth - competition - Chemical energy - Electrical energy Now knowing that evolution occurs in response to a change in the environment and climate change is likely to have a significant impact on the global environment and human society, choose the best answer.
climate change
(Question)
You are presented with the question "What are the key cells in an allergy attack?" and the following answer choices: - layers of fat - Lymphocytes. - fur and fat - bone cells - muscle cells - the skin - Red blood cells - animals Now knowing that lymphocytes are the key cells involved in the immune response and an allergy attack is an immunal response, choose the best answer.
(Answer)
Lymphocytes.
Ques: You are presented with the question "what are a class of 4 legged animals that produce amniotic eggs" and the following answer choices: - parasites - allow growth - feet - Reptiles - to stay warm - warm-blooded - insects - fertile Now knowing that reptiles are a class of tetrapod vertebrates that produce amniotic eggs and most reptiles, are considered to be tetrapods, or 4 legged animals, choose the best answer.
Ans: Reptiles
(Q).
You are presented with the question "a very heavy material is formed by what?" and the following answer choices: - eating - weathering - Condensation - rainfall - calcite - seeding - burning - sanding Now knowing that soil is formed by weathering and soil or dirt is a very heavy material, choose the best answer.
(A).
weathering
Ques:You are presented with the question "fish, amphibians, reptiles, birds, and mammals have what?" and the following answer choices: - food - fur and fat - backbone - power - four limbs - retina - vision - competition Now knowing that vertebrate chordates have a backbone and chordates Chordates Chordates include fish, amphibians, reptiles, birds, and mammals, choose the best answer.

Ans:backbone
Ques: You are presented with the question "what causes stars to produce light?" and the following answer choices: - by making heat - Generating heat - converting mass to energy - photosyntehsis - photosynthetic pigments? - Evaporation of water - heat production - hydrogen and oxygen Now knowing that nuclear reactions in stars causes stars to produce light and nuclear reactions convert mass to energy, choose the best answer.
Ans:
converting mass to energy