Final Flashcards
Steps of the scientific method
Observation, problem statement, hypothesis, experiment, conclusion
Planned way to test a hypothesis and find out the answer to the problem statement
Experiment
Something in an experiment that changes
Variable
Visible or provable fact
Observation
When you think of animals as humans
Anthropomorphism
Who are animal rights activists number one target
Farm animal ag
Characteristics of the cells
Smallest unit of living system, holds the blueprints of how an animal is put together, viral to all life functions, can reproduce, can change the physical form of an animal
Viruses can be as small as ____
20 nanometers
Organelle that is responsible for holding all the genetic info of blueprints
Nucleus
Help build proteins; organelle but doesn’t have a membrane
Ribosomes
Sort and package proteins from the ER
Golgi apparatus
Site of ATP production from respiration and where food molecules are broken down to release energy
Mitochondria
Media for transporting intercellular substances, contains storage vacuoles and vesicles to store nutrients and waste, contains enzymes needed for metabolic reactions
Cytoplasm
Determine the hereditary characteristics of animals; transmitted to the offspring from parents
Genes
Contains 2 different genes for the same trait
Heterozygous
Contains 2 identical genes for the same trait
Homozygous
Location of a gene on the chromosome
Allele
Genetic classification of a gene
Genotype
The gene that is overshadowed by a dominant gene
Recessive
Recessive genes attached to the x and Y chromosomes
Sex-linked
Dramatically different from what is expected genetically
Mutation
Matting purebreds with grade animals
Upgrading
Both genes express themselves
Incomplete dominance
Consists of a body, cervix, and 2 horns
Uterus
Blister-like mass on the ovary containing a developing ovum; produces and stores estrogen
Follicle
Attached to the endometrial lining of the uterus by tons of tiny villi; transfers blood, oxygen, and nutrition to the unborn baby
Placenta
Seals to prevent bacteria from entering reproductive tract
Cervix
External opening of the reproductive and urinary systems
Vulva
Two shell membranes are added here to the yolk and white in poultry
Isthmus
Site of fertilization
Fallopian tubes
Receives the sperm during mating
Vagina
Secrete the hormone estrogen; produces eggs or ova in females
Ovaries
The sensory and erectile organ of the female; located just inside the vulva
Clitoris
Long, coiled tube that is connected to each testicle, sperm cells are stored here while they mature
Epididymis
Both testicles do not descend from body cavity
Ridgling
The tube that carries urine from the bladder
Urethra
Heat regulating sac that holds the testes
Scrotum
One testicle does not descend from the body cavity
Cryptorchid
Divides the two sacs of the scrotum
Septum
Produces a fluid that moves down the urethra ahead of the seminal fluid and cleans and neutralizes the urethra
Semen
Deposits the semen with in the female reproductive tract
Penis