Its lower portion holds enough ozone to filter out most of the sun’s harmful ultraviolet radiation.

The following are examples of physical elements except

It also called a “solid sphere”

All other major environmental issues flow from the very fact that we are over populating the planet. The world’s population has tripled in the last 60 years, placing stress on every aspect of the environment. More land is developed to accommodate the urban spread. Which environmental principle is being exemplified?

This book eloquently called for the preservation of ecosystems and led to a philosophy that has guided many to discovering what it means to live in harmony with the land and with one another.

His biological specialty is myrmecology, the study of ants, on which he has been called the world’s leading expert.

It talked about the environmental impacts that correlated the widespread use of DDT in agriculture in the United States.

In 2006, the first Philippine constructed wetland was completed serving about 700 households in a peri-urban area of Bayawan City which has been used to resettle families that lived along the coast in informal settlements and had no access to safe water supply and sanitation facilities. Which environmental principle is exemplified?

Is a dynamic force to develop a Filipino population with awareness and concern for the environment

A complex trophic relationship among a group of organisms, consisting of interactions among multiple food chains.

It is a study of the relationships between living organisms, including humans, and their physical environment.

What is the correct order of organization from least to most complex?

A group of toads falls under which level of organization?

A term describing all the living and non-living things in a certain location.

Being diagnosed with a disability characterized by focusing on one idea or interest, this environmentalist poured her efforts on the fight against climate change.

It is estimated that by 2050, there will be no fish left in the sea. The extinction of many fish species is due to humans over fishing the oceans to supply an ever increasing population’s demand for seafood. Which environmental principle is exemplified?

One of the main ways CO2 is removed from the atmosphere is?

It enforced the banning of the use of Chlorofluorocarbons.

Since the use of Chlorofluorocarbons lowers the concentration of ozone in the atmosphere. ______ have been identified as an appropriate alternative.

Which of the following is an example of a heterotroph?

Fungi derive their energy by eating dead or decaying material. Their mode of nutrition is ________.

The layers of the atmosphere are classified according to changes in?

It has the greatest biological diversity of any land biome

Study the image. Which among this organisms will most likely to receive the lowest amount of energy?

This refers to a natural world, including the land, water, air, plants and animals, especially considered as something that is affected by human activity.

Its upper portion contains non-renewable fossil fuels and minerals that we use, as well as renewable soil chemicals (nutrients) that organisms need to live and grow. This refers to?

Which of the following statement are correct?

The following statement are correct EXCEPT.

What two gases are found throughout all layers of the atmosphere?

These are man-made features of the environment

It protects the soil from erosion by wind and water and it provides organic material to maintain levels of nutrients essentials for healthy plant growth.

What do think are the possible methods to conserve our soil?

When nuclear power plant leaks radiation to the atmosphere it will lead to?

What does DDT means?

It is considered as the last lung of the earth that contributes about 20% of oxygen.

She is a young environmental activist who worked to address the problem of climate change, founding (2018) a movement known as Fridays for Future or School Strike for Climate and was diagnosed with Asperger syndrome.

Which of the following is a possible producer in an ecosystem?

The organisms which feed on dead organisms and excreta of living organisms are known

Which of the following is an example of impact of development activities on the Hydrosphere?

The following statement are correct about biosphere EXCEPT

It refers to a change in the state of the climate that can be identified by changes in the mean and/or the variability of its properties, and that persists for an extended period, typically decades or longer.

Food webs are?

It is considered as the coldest desert.

Also known as autotrophs, make their own food. They make up the first level of every food chain.

Which of the following are correct about producers?

This refers to the process where bacteria convert nitrates into nitrogen gas.

Without phosphorus, living beings cannot grow, reproduce, or move. This is because phosphorus

A food web consists of?

Greenhouse gases which is present in very high quantity is