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