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Principles of Biology I Final
Summer 21' 8week
Terms in this set (57)
Plants are ________.
There are little birds that spend a great deal of time on the back of a rhinoceros and eat the blood-sucking ticks out of the rhino's ears. The rhino greatly benefits from the relationship, since it cannot remove the ticks itself. The tick-rhino relationship is an example of ________.
What are plasmids?
Small, circular DNA molecules that contain just a few genes and that can be passed on to other bacteria
Which worm phylum lacks body segmentation?
Flat worms and round worms
What is a key morphological difference between fish and amphibians?
Amphibians have strong muscular and skeletal systems to support their body on land.
What is the name of the response to an injury in which fluids leak from dilated blood vessels, causing redness and swelling?
What category describes a species that, while not presently at risk of extinction, could likely be at risk of extinction in the near future?
A threatened species
What is the part of the kidney where urine is formed?
What is the leading scientific hypothesis explaining how the endomembrane system of eukaryotic cells originated?
From the inward folding of the plasma membrane
The tall ferns that we typically see in the tropics and temperate woodlands are the ________.
What plant group has the largest number of living species?
The urethra ________.
How is diabetes linked with homeostasis?
Homeostasis may become imbalanced if the pancreas is overly stressed, making it unable to balance glucose metabolism
What are the three tissue systems of plants contained in each plant organ, such as leaves?
ground, vascular, and dermal
Which of the following is a similarity between bryophytes and seedless vascular plants?
Ecology is a science that can be carried out by ________.
What is the reproductive organ of angiosperms?
Pathogen is ________.
What is a plant tissue?
The slow drifting of sections of the earth's crust, sometimes separating, other times colliding, is known as ________.
A population in ecology is defined as ________.
What happens during diastole?
In many ways, a mule is a superior animal to the horse or donkey. Mules are often stronger and can jump higher than either of their parents. Why, then, are mules considered to be a "weak hybrid"?
it is sterile
Compared to mammals and reptiles, what characteristic prevents amphibians from surviving far from water?
Which of the following is a major protein found in muscles?
The first animals evolved from ________.
Aquatic biomes cover most of the Earth's surface. True or False
Which of the following was a scientist around the time of Charles Darwin?
Lamark was a French naturalist that first explored the idea of evolution.
Wallace was an evolutionary biologist developing hypotheses about evolution.
Lyell was a geologist that was examining the age of Earth.
Which statement is most accurate when describing human evolution?
Humans share a common ancestor with chimpanzees.
Which brain structure controls the secretion of hormones in the rest of the body?
The echinoderms are most closely related to the ________.
Organs are made up of ________ to perform a specific function.
different types of tissues
What term describes the failure of one species' sperm to fertilize the egg of a different species?
Where does the ovule meet the sperm that fertilizes it?
What moves the food from your mouth to your stomach when you swallow?
Peristaltic muscle contractions
Which of the following best describes cnidarians?
Which of the following characteristics are shared by all worm phyla?
Displaying bilateral symmetry
What do gymnosperms and angiosperms have in common?
Which growth model would you expect to see in a stable population?
All plant organs (such as leaves, roots, and stems) contain tissues from all three tissue systems. True or False
Human birth rate peaked in the 1980s and has been slowly declining ever since. How is this expected to affect our population size over the next several decades?
Not all plants have seeds. What main advantage do seeds provide a plant?
Which group of fishes gave rise to the amphibians?
What can a human population's age pyramid tell you about current and future needs?
How many schools to build or to close down
How many workers will be needed to support retirees
How many resources would be needed for health care
An essential nutrient is specifically a nutrient that your body ________.
What type of survivorship curves do humans typically display?
How do viruses make copies of themselves?
What is the radula's function in mollusks?
What is the role of the epiglottis?
Which of the following is a primate?
Which of the following organisms are classified within the protists under algae?
Which arthropod subgroup includes animals with six legs?
Your thigh bone, the largest bone in your body, is called the ________.
An organism is considered truly multicellular when ________.
Echinoderms can be best described as ________.
In which tissue system of plants would you expect to find the guard cells?
If a fungicide was applied near a plant, how might it kill the plant?
By killing the fungus associated with the plant's roots
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