Final Exam Review Flashcards
What are the 3 types of muscles?
Where are they located?
Skeletal - attached to bone (has stripes)
Smooth - digestive tract and blood vessels (no stripes or branches)
Cardiac - heart (branched, some stripes)
Swollen lymph nodes indicate
The lymphatic vessels are blocked due to injury or disease
List the passageway of air from the nose to the lungs, including the function of each part of the pathway
Nose/Mouth - warms, moistens, and filters the air
Pharynx - back of throat, holds both food and air
Larynx - vocal cords
Epiglottis - flap that covers the trachea when food is swallowed
Bronchial tubes - two large passageways that lead to each lung
Lungs - elastic sacs that are surrounded by pleura
The skin, hair, and nails make up which system
Integumentary
This system works to regulate and release hormones into the blood stream
Endocrine system
Provides nutrients to the fetus and connects the fetus to the mother’s uterus
Placenta
The range of physical and biological conditions in which an organism lives and the way they use those conditions
Niche
How do primary succession and secondary succession differ?
Primary Succession: nothing remains, not even the soil; lichens populate first to form soil. Ex. Volcanic eruption
Secondary Succession: soil is still present. Ex. Wildfires
Compare and contrast xylem and phloem
Xylem = dead cells that transport water/minerals by capillary action UP the plant (from the roots)
Phloem = living tissues that transport sugar (food) DOWN the plant (from the leaves)
What kind of veins can you expect to find in a monocot?
In a dicot?
Monocots = parallel veins
Dicots = branched veins
How is an open circulatory system different from a closed circulatory system?
Open System - blood isn’t always contained within blood vessels; it can be pumped through a system of sinuses
Closed System - blood is contained within vessels that extend throughout the body
How many chambers would be found in the heart of a cow?
Cows are mammals so it would have a 4 chambered heart
What is a producer?
An organism that makes its own food (ex. plants)
Why do plants want to be dispersed far away from their parent plant?
To reduce competition
How do fungi get their nutrients?
Fungi do NOT ingest their food. Instead, they digest food outside of their bodies and then absorb it
List common places you would find fungal mold growing
Meat, cheese, bread
What are the two major functions of the plant roots?
- Anchor the plant to the ground
- Absorb water and dissolved nutrients from the soil
What are antibiotics and what do they work on?
Medicines used to kill bacteria. They do NOT work on viruses.
What effect does a fever have on an infection?
It slows down the growth of pathogens
Process by which organisms maintain fairly constant internal conditions
Homeostasis
Relaying messages, processing information, and anazyling information are the three main functions of which division of the nervous system?
Central Nervous System (CNS)
The two parts of the brain stem are:
- Pons
- Medulla Oblongata
An organism that gets its energy by eating other organism (synonym for consumer)
Heterotroph
What is the function of valves in the circulatory system?
Prevent the back flow of blood
How are decomposers and detritivores different?
Detritivores feed on plant and animal remains and other dead matter (ex. worms)
Decomposers obtain nutrients by breaking down dead and decaying plants and animals (ex. bacteria)
The outermost layer of the skin is the _____, and is composed of ________.
Epidermis
Dead cells and some living
What controls the activity of the kidneys
The composition of the blood
Describe the steps of the Lytic Cycle.
What happens to the host cell in the end?
Viruses inject their genetic material (DNA or RNA) into the host cell, then the virus replicates causing the host cell to burst (lyse), and die
How does HIV/AIDS harm your body?
It weakens the immune system by killing Helper T Cells
What is the difference between ligaments and tendons
Ligaments hold bones together in a joint
Tendons hold bones to muscles
What is a zygote?
A fertilized egg
The gametophyte of gymnosperms are found inside what reproductive structure?
(Ex. of gymnosperms = christmas tree)
Cones
What imporant feature is located in the cap of the mushroom?
Basidia (spore-bearing structure)
An expanded flower ovary
Fruit
The branch of biology dealing with interactions among organisms and between organisms and their environment
Ecology
What is the role of fungus as a decomposer?
Breaks down dead organisms (decomposers) which is important in improving the quality of topsoil
Testosterone is needed for the development of what?
Sperm
Are there muscles in the lungs?
NO. Lungs are ELASTIC.
Why can matter cycle through the biosphere?
Matter is transformed and recycled
Matter is NOT destroyed or used up
How long does the menstrual cycle last?
1 month
What two groups of organisms go together to make lichens?
- Fungus
- Algae OR Cyanobacterium
What is the dermis?
The middle layer of the cell that is composed of living cells, blood vessels, nerve endings, glands, and hair follicles
What do tree rings tell us?
- Age of the tree (count the rings)
- Weather patterns like wet/dry years based on the thickness of the ring
The original source of almost all energy in the world
The Sun! :)
What are the body’s nonspecific defenses?
Which is the most important?
Skin (most imporant), the chemicals and bacteria of the body
An organism that gets its energy by eating other organisms
Consumer (ex. Animals)
When one organism benefits and the other organism is neither harmed nor benefitted
Give an example.
Commensalism (happy-don’t care)
Ex. Barnacles attached to a whale
All of the members of a particular species that live in one area
Population
How do omnivores, herbivores, and carnivores differ?
Herbivores eat only producers (plants)
Omnivores eat both producers and consumers (plants and animals)
Carnivores eat only other consumers (lions)