Ques: If mutations change characteristics of living things over time, then what causes changes in characteristics of living things over time? Answer choices: - mutations - science - parents - environment - light energy - news - alleles - animals
Ans: mutations

Ques: If mammal hearts have two more sections than fish hearts, then how many sections does a fish heart have? Answer choices: - ovum - fat - four - p53 - two - cut - bone - stem
Ans: two

Ques: If ginkgo biloba sheds its leaves seasonally each year, then what sheds its leaves seasonally each year? Answer choices: - Christmas trees - pine trees - Leptospirosis - Most plants - evergreen trees - ginkgo biloba - Converting waste. - In the winter
Ans: ginkgo biloba

Ques: If incandescent lights heating a metal filament are used for seeing in the dark, then what is used for used for seeing in the dark? Answer choices: - It gets more light - Magnifying glass - Heating a metal filament. - our nearest star - Eyeglasses - Electrical energy - Electric devices - Binoculars
Ans:
Heating a metal filament.