• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/40

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

40 Cards in this Set

  • Front
  • Back

Certain bacteria cannot grow if the pH drops below what?

5




The pH level is alimiting factor for these bacteria.

An organism that is active during the day is called what?

diurnal

Morning glories open in the morning and close at night. This is an example of what kind of rhythm?

circadian rhythm

Energy is or is not recycled in an ecosystem

is not

Spiders are what kind of organism?

independent

Predator is to prey as parasite is to what?

Host

Name an example of a parasite

Tapeworms

What kind of trees lose their leaves during nongrowng seasons?

Deciduous trees

What does the understory level of a rainforest consists of?

small trees, bushes, and largeleafed plants

Organisms that are free-swimming are known as what?

Nekton organisms

Animals that rest on or attach to the bottom of a pondor lake are known as what kind of organism?

Benthos organisms

What do Herbivores and Carnivores eat?

Herbivore - eats only plants


Carnivore - Eats meat/ Omnivore - eats bothplants and meat

A species that might soon become extinct is called what?

endangered

Attempts to preserve and wisely use the natural resourcesof the earth is known as?

Conservation

Name types of fossil fuels?

coal, oil, and natural gas

The brain is in what position relative to the heart?

Superior (above)

What is Dermis?

a thick layer of skin that contains many blood vessels, nerve receptors, and hair follicles. Under the dermis is the subcutaneous layer.

Name two ways the skin protects itself.

Callus' and blisters

Where is marrow found?

in the central cavity of many bones

Give an example of a hinge joint in the body

elbow

What is muscle tissue in the heart called?

cardiac muscle and striated muscle

What gas is used in cellular respiration?

Oxygen

Name the chemicals produced by leukocytes that attack pathogens

Antibodies

What is the cause one third of all deaths in the US?

Cardiovascular disease

The smallest blood vessels in our body are called what?

capillaries

What is the average number a heart beats per minute

70

A heart that is not beating properly is said to have ________________ ?

arrhythmia

The amount of pressure the blood puts on artery walls is known as?

Blood Pressure

What is the name of the structure in the kidney that filters wastes from the blood?

Nephron

Pathway air travels through the respiratory system:


1.mouth


2.


3.


4.


5.


6.

2.Iarynx

3.trachea


4.bronchus


5.bronchiole


6.alveoli

When you inhale, your diaphragm does what?

contracts

When you inhale the size of your thorax _____________ ?

increases

Cold and flu viruses are difficult to control because what?

they mutate frequently

Which is the longest digestive organ

the small intestine

Where are villa located?

the inner surface of the small intestine

Which lobe controls consciousness and primary body movements?

Frontal

__________ ___________ carry impulses from the spinal cord to the muscles of the arm

Spinal nerves

A nearsighted person cannot clearly focus on things _______ from him

far

Glaucoma is caused by a buildup of pressure in the _____________

eyeball

The ______________ tube connects the middle ear with the pharynx

eustachian