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100 Facts 51-100

7th Science Final Exam

QuestionAnswer
51) Asexual reproduction: Advantage: Disadvantage: only one parent needed, offspring is exact copy; quicker rate of production; little biodiversity to withstand change in environment
52)Sexual reproduction: Advantage: Disadvantage: 2 parents, offspring has half DNA from each parent; larger variety in species; lots of energy pent finding mate and reproducing
53)Genotype; Phenotype Gene makeup of trait, physical appearance of trait
54) Show in phenotype when inherited; only shows in phenotype when inherited from both parents Dominant gene, recessive gene
55) Both gene types are the same (ex: TT, tt). One gene is dominant, other recessive (ex: Tt) Homozygous, heterozygous
56) Punnet Square Visual way to see possible gene pairs
57) Basic unit of life, levels of organization smallest to largest in organism Cell, tissue, organ, organ system, organism
58) Homeostasis Regulation of body systems, equilibrium
59) Brings body out of homeostasis; brings body back into homeostasis Stimulus, response
60) Five functions of skeletal system Make red blood cells, help us move, store calcium and other minerals, protects internal organs, gives shape and support to body
61) Joint; Five types of joints Where two or more bones together, fixed, ball and socket, gliding, hinge, pivot
62) Tendon, Ligament Muscle to bone, bone to bone
63) Functions of the muscular system Contract to move bones and body parts
64) 3 types of muscles Skeletal (voluntary), smooth (organs, involuntary), cardiac (heart, involuntary)
65) Functions of integumentary system Sweat to excrete waste, make Vitamin D, protect internal organs, regulate body temperature
66) Structures of the integumentary system Epidermis (dead skin cells), endodermis(produces new skin cells), dermis( nerves, sweat and oil glands, blood vessels), hair and nails
67) Functions of the circulatory system Bring oxygen to cells, bring food to cells, carry waste from cells, fight invaders and deliver chemical messages
Created by: kendallfire12
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