You are presented with the question "what do behaviors that improve fitness increase through?" and the following answer choices: - density - evolution - Plants growth - gravity - animals - competition - death - environment Now knowing that behaviors that improve fitness increase through natural selection and natural selection is the mechanism of evolution, choose the best answer.
evolution
(Question)
You are presented with the question "Which type of system do most animals without backbones have?" and the following answer choices: - sensory neurons - Veins and arteries. - Nervous system - Stereo system - Root system - to move people - Skeletal system - insects Now knowing that most invertebrates have a nervous system and invertebrates are animals without a backbone, choose the best answer.
(Answer)
Nervous system
Ques: You are presented with the question "Extreme heat and pressure can turn rock into what?" and the following answer choices: - slate - complex - soils - calcite - oil - cracks - dead - coal Now knowing that extreme heat and pressure change rock into metamorphic rock and slate is an example of a metamorphic rock, choose the best answer.
Ans: slate
(Q).
You are presented with the question "The most ancient what are trees with woody trunks?" and the following answer choices: - it needs them - leafy greens - more abundant - Leeuwenhoek - flowering buds - pollen - graptolites - seed plants Now knowing that most modern gymnosperms are trees with woody trunks and gymnosperms are the most ancient seed plants, choose the best answer.
(A).
seed plants
Ques:You are presented with the question "what can put antibodies in body fluids?" and the following answer choices: - Chemical energy - animals - death - humans - h2o - immunization - mammals - collagen injections Now knowing that passive immunity lasts only as long as the antibodies survive in body fluids and immunization can be active or passive, choose the best answer.

Ans:immunization
Ques:You are presented with the question "How can behavior be learned?" and the following answer choices: - by inheriting them - competition - An object is seen - by staying away from others - by ignoring others - Riding a bike - firm hugs - through games Now knowing that behaviors can be learned through play and ian plays role playing games, choose the best answer.

Ans:
through games