Fact 1: Behaviors that improve fitness increase through natural selection. Fact 2: Natural selection is the mechanism of evolution. Given the two facts above, answer the question "what do behaviors that improve fitness increase through?" with the following options: - density - evolution - Plants growth - gravity - animals - competition - death - environment
evolution

(Question)
Fact 1: Most invertebrates have a nervous system. Fact 2: Invertebrates are animals without a backbone. Given the two facts above, answer the question "Which type of system do most animals without backbones have?" with the following options: - sensory neurons - Veins and arteries. - Nervous system - Stereo system - Root system - to move people - Skeletal system - insects
(Answer)
Nervous system

Ques: Fact 1: Extreme heat and pressure change rock into metamorphic rock. Fact 2: Slate is an example of a metamorphic rock. Given the two facts above, answer the question "Extreme heat and pressure can turn rock into what?" with the following options: - slate - complex - soils - calcite - oil - cracks - dead - coal
Ans: slate

(Q).
Fact 1: Most modern gymnosperms are trees with woody trunks. Fact 2: Gymnosperms are the most ancient seed plants. Given the two facts above, answer the question "The most ancient what are trees with woody trunks?" with the following options: - it needs them - leafy greens - more abundant - Leeuwenhoek - flowering buds - pollen - graptolites - seed plants
(A).
seed plants

Ques:Fact 1: Passive immunity lasts only as long as the antibodies survive in body fluids. Fact 2: Immunization can be active or passive. Given the two facts above, answer the question "what can put antibodies in body fluids?" with the following options: - Chemical energy - animals - death - humans - h2o - immunization - mammals - collagen injections

Ans:immunization

Ques:Fact 1: Behaviors can be learned through play. Fact 2: Ian plays role playing games. Given the two facts above, answer the question "How can behavior be learned?" with the following options: - by inheriting them - competition - An object is seen - by staying away from others - by ignoring others - Riding a bike - firm hugs - through games

Ans:
through games