Woodruff-8th grade test- Life Science

Question Answer
____ are the basic unit of living things cells
Cells form tissues which form ____ which form systems which form _____. organs, organisms
Mitochondria of cells control _____. respiration
Controls what goes in and out of the cell cell membrane
Part of the cell that makes protein ribosomes
Only plant cells have ____ and ____. cell wall and chloroplasts
Chloroplasts contain _____ for photosynthesis chlorophyll
____ are nutrients are important for growth and repair proteins
Nutrients that provide quick energy carbohydrates
____ is the main source of energy for plants, animals and humans sun
Name three types of asexual reproduction binary fission, budding and regeneration
_____ is the life cycle of organisms such as the frog and butterfly metamorphosis
A _____ microscope uses two lenses to view small objects. compound
The (fine, coarse) knob moves the image into view coarse
The (coarse, fine) knob on the microscope brings the image into focus fine
A ____ is used to see clear objects in the field of view stain
Abnormal cell division cancer
_____ adaptations enable us to survive like birds having hollow bones or owls seeing at night physical
Changes in an organism's environment can cause them to become endangered or ____ extinct
Where living and nonliving organisms interact ecosystem
Organisms get ____ from the food they eat energy
Plants are (consumers, producers) producers
Herbivores eat ____ plants
Carnivores eat ____ meat or animals
Omnivores eat ____ and ____ plants and animals
The food pyramid shows energy being passed with the (least, most) energy on the bottom most
The three symbiotic relationships are mutualism, commensialism and _____. parasitism
_____ is when one community is replaced with another until a climax community is achieved. ecological succession
List four renewable resources water, solar, wind and soil
List four non-renewable resources fossil fuels, coal, oil and gas
How are living things classified? (King Philip came over from great Spain) Kingdom, Phylum, Class, Order, Genus, Species
Two types of cell division are ____ and ____. sexual and asexual reproduction
Cell division with the same number of chromosomes mitosis
Cell division with half the number of chromosomes meiosis
Embryo through cleavage and differentiation zygote
Name the female parts of the flower pistil, stigma, style, and ovary
Name the male parts of the flower anther, filament, pollen, sperm
flower pollinates another flower cross-pollination
Flower has both male and female parts self-pollination
When pollen fertilizes the egg pollination
Spreads the seeds by wind, animal and explosion. seed dispersal
When seeds being to grow germination
Determined by genetic material on your genes trait
Trait that is showing dominant
Trait that is not showing recessive
Shows probability that a trait is inherited Punnet square
______ causes natural selection, genetic engineering, mutations, and genetic Evolution
Process of removing the nucleus of an egg cell and replacing it with the nucleus of mother's skin cell and inserting it back into the uterus Cloning
______ system supports the body Skeletal
Joins bones to bones Ligaments
Joins bones to muscles tendons
Moves organs and body parts muscular system
Muscles you control voluntary
Muscles you don't control involuntary
______ system includes both nervous and endocrine systems regulatory
_____ system controls body activities Nervous
Nerve cells neuron
Contains brain, spinal cord, nerves, and sense organs nervous system
System that regulates body activities with hormones secreted by the glands Endocrine system
System that breaks down food Digestive system
System that contains the pancreas, liver, stomach, gall bladder, small intestine and large intestine Digestive system
System that consists of the heart and blood vessels and transports materials Circulatory system
Carry blood away from the heart arteries
Carry blood to the heart veins
Connect arteries to veins and the place where gas exchange occurs Capillaries
Which side of the heart gets the oxygenated blood? left
Describe the flow of blood through the heart lungs to left atrium to valve to left ventricle to rest of body to right atrium to valve to right ventricle to lungs
System that exchanges gases with the environment Respiratory system
Where does gas exchange take place in the lungs? between the air sacs (alveoli) and capillaries
System that removes waste from the body and contains the lungs, skin, and kidneys Excretory system
System that produces offspring Reproductive
Where fertilization takes place oviduct
Where the egg develops into an embryo uterus