Science 1st quarter huhu
If 40 carabaos live in 1 ½ sq. km area, what is the population density of the carabao per sq. km?
27
Which of the following is the stored energy in the cell?
ATB
The light-dependent reaction of photosynthesis must come first before the light- independent reaction because its products are important to the fixation of carbon dioxide. Which of the following is/are the product/s of the light -dependent reaction?
NADPH and ATB
Tobacco smoke is inhaled into the lungs. Tar from the smoke is deposited in the lungs and this prevent the lungs from working properly. Which one of the following is a function of the lungs?
To transfer some of the oxygen that you breathe to your blood.
these are Sachs in our lungs
aveloli
The process that increases in the concentrations of pollutant as it passes from one organism to another along a food chain is called
biological magnification
the medical term for moving air in the the lungs also called ventivation
breathing
Oxygen and carbon dioxide are gases that cycle out in the photosynthesis
carbon dioxide
What is a system of organs that transport blood throughout the body called?
circulatory system
if you combine white dog and black dog and it's makes black and white spotted chicken what trait is that
codominance
All of the following human traits are recessive except...
curly hair
The average temperature of the earth's atmosphere rise as a result of_____________.
green house effect
if you combine black and white dog and it makes gray dog what trait is that?
incomplete dominance
Which of the following is NOT a natural cause of extinction?
introduction of non native species
the heart
it pumps blood throughout our body
Oxygen is essential in cellular respiration. What is the role of oxygen in the electron transport chain?
it serves as the final acceptor
what is the thickness part of the heart
left ventricle
It is anything that limits the size of a population like environmental conditions.
limiting factor
some of the endengered species of plants in tropical rain forest may be a source of_____________.
medicine
what's the powerhouse of the cell
mithacobdria
bdo is an example of
multiple alleles
The breakdown of glucose involves three major processes, EXCEPT____________.
photosynthesis
The number of organisms of the same species inhabiting a place at the same time is
population
These traits are generally autosomal, which means they are not found in the X or Y chromosomes but rather expressed only in one gender
sex limited traits
Which structure is located on the lower surface
stomata
What are the five main parts of the circulatory system?
the heart blood veins Arties
What condition will guarantee that a male offspring will have a red
the mother cloud be color blind
The X and the Yb chromosome are a nonhomologous pair of chromosomes. What is the basis for this designation?
they do not have the same gene traits
what blood is the neutral blood
type AB
what blood is ii
type o
A group of specialized cells in the right atrium of the heart that establish the basic rhythm of the heartbeat.
valve
is the Asian elephant extinct
yes