You are presented with the question "What do some bacteria lack?" and the following answer choices: - Energy - nucleus - glucose - Energy. - properties - oxygen - alleles - warmth Now knowing that prokaryotes are single-celled organisms that lack a nucleus and prokaryotes are usually microscopic and bacteria is an example of a prokaryote, choose the best answer.
nucleus
(Question)
You are presented with the question "what is fertilized to produce a diploid zygote?" and the following answer choices: - graptolites - members of their own species - ova and spermatozoa - salt and pepper - mitosis - peachleaf willow - bacteria - light energy Now knowing that fertilization of gametes produces a diploid zygote and examples of gametes are ova and spermatozoa, choose the best answer.
(Answer)
ova and spermatozoa
Ques: You are presented with the question "What causes a bike to move?" and the following answer choices: - Coal power - energy - friction - magic - mechanical - Human power - Dog power - Energy. Now knowing that pushing on the pedals of a bike cause that bike to move and well, when riding a bike, human power is used to turn the pedals, choose the best answer.
Ans: Human power
(Q).
You are presented with the question "What has an enlarged cummerbund-like band that goes through a major transformation?" and the following answer choices: - humans - legumes - bacteria - worms - goats - fish - Bats - embryos Now knowing that adult worms go through a major transformation to develop reproductive organs and an enlarged cummerbund-like band near the worm's head holds the reproductive organs, choose the best answer.
(A).
worms
Ques:You are presented with the question "What converts chemical energy into mechanical energy?" and the following answer choices: - kinetic energy - Marine engine - driving - some invertebrates - sea urchins - vehicles - rockets - animal transport Now knowing that an automobile engine transforms chemical energy into mechanical energy and marine engines, with very few exceptions, are automobile engines converted to marine use, choose the best answer.

Ans:Marine engine
You are presented with the question "What is a reason to work with used materials during manufacturing?" and the following answer choices: - it keeps an organism warm - A transportation fuel - Reduces need for new resources - prevent heat loss - Reduces need for machinery - converting electricity to heat - Reduces need for labor - Workers are paid less Now knowing that recycling reduces the resources needed to make something and recycling is the reuse of material, choose the best answer.
Reduces need for new resources