Study Guide Flashcards
List treats to biodiversity
Predation, introduction of a species, biological magnification, habitat destruction
What would be the cause if the population in an ecosystem were to suddenly decrease?
More predators added, environment destruction.
What is the greatest threat to biodiversity?
Habitat destruction.
What are goals to protect biodiversity?
Protect, preserve habitat, and benefit
Define deforestation and desertification
Loss of forest; loss of soil
What factors play a role in population growth rate?
Immigration, emigration, birth and death rate
If there is a decline in resources what would happen to a population?
It would decrease, then soon reach it’s carrying capacity
What are limiting factors in an ecosystem that are considered density dependent?
Disease, food shortage, birth and death rate, high emigration
What would be the course/ result if the death of bats in a cave?
More of its prey, in this case insects, would have an increase in their population.
Define sustainable development
Sustainable resources
Define ecological sustainability and ecological footprint
Left impressions on and ecosystem
Define non renewable resources
Resources that can only e used once
What happens when countries become more industrialized?
More of the resources are consumed an used
Give and example of successful environmental improvement die to change in behavior
Recycling, hybrids, awareness
Best way to build a housing development outside of a city?
Build atop of a demolished site
Slowest moving blood vessel
The capillaries
What increases blood pressure?
Age, diet, weight
What is blood pressure?
The measure of the force of blood pushing against the blood vessel walls
What type of cells hep fight off infections?
White blood cells, t and B cells
What is a helper T cell?
Memory cells that fight infection
List effective ways to to combat and infectious agent
Take antibiotics, vaccines, diet
What is the body’s major non specific line if defense?
The epidermis
How does a fever help to prep text the body?
It shows that the body is fighting off the infection
How does vaccine help protect the body from infectious agents?
Memory cells fight off a dead virus to gain immunity for he time the same virus infects the body
Zygote and fertilization
The initial cell formed by the joining of gametes by sexual reproduction: the union of the human egg and sperm
What stores sperm
Epididymis
Function of the amniotic sac
Protects, cushions, and insulates the fetus
Placenta function
Connects the body to the fetus and helps to give the fetus nutrients and protects it from internal infection
What happens in the third trimester?
The lungs are completed, as well as the bones; ad the baby starts to practice breathing
List the proper sequence of development starting with the early stage
- Zygote
- blastocyst
- embryo
- fetus
Secondary an primary succession
Pri: ecological succession occurring in an environment in which a new substrate devoid of vegetation and usually lacking soil( lava flow, no soil)
Sec: a process started by an event( forest fire, soil)
