What are photosynthetic organisms and why are they important to earth’s systems?

Photosynthesis is the processes of using sunlight to convert chemical compounds (specifically carbon dioxide and water) into food. Photosynthesizing organisms (plants, algae, and bacteria) provide most of the chemical energy that flows through the biosphere.

Why are photosynthetic organisms important?

Photosynthetic organisms, including plants, algae, and some bacteria, play a key ecological role. They introduce chemical energy and fixed carbon into ecosystems by using light to synthesize sugars.

What is the main photosynthetic organism?

Photosynthetic organisms such as plants, algae, and some bacteria produce more than 180 billion tonnes of organic matter each year from the fixation of carbon dioxide.

Why are photosynthetic organism important in the biosphere?

Photosynthetic life forms use the light energy to transform carbon dioxide and water into sugar (organic matter) and oxygen. That is why plants and algae are very important for the Earth’s biosphere, because they regulate the atmosphere’s content in oxygen.

What energy is needed by photosynthetic organisms during the process of photosynthesis?

from the Sun
During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. These sugar molecules are the basis for more complex molecules made by the photosynthetic cell, such as glucose.

What do photosynthetic organisms have in common?

All photosynthetic organisms contain a pigment called chlorophyll a, which humans see as the common green color associated with plants. Chlorophyll a absorbs wavelengths from either end of the visible spectrum (blue and red), but not from green. Because green is reflected, chlorophyll appears green.

What do photosynthetic mean?

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

What energy is needed by photosynthetic organism during cell respiration?

Through photosynthesis, certain organisms convert solar energy (sunlight) into chemical energy, which is then used to build carbohydrate molecules. The energy used to hold these molecules together is released when an organism breaks down food. Cells then use this energy to perform work, such as cellular respiration.

Where are most photosynthetic cells in plants found?

leaves
Photosynthetic cells are found mainly in the leaves of plants and may have thousands of chloroplasts. Chloroplasts are double-membrane organelles with a smooth outer membrane and an inner membrane folded into disk-shaped sacs called thylakoids. Color and label the outer membrane (1) green.

Which of the following is an end product or output of the photosynthetic process?

Glucose and oxygen are the final products of photosynthesis. We all know that photosynthesis is a process in which green plants use sunlight to make their own food. Photosynthesis requires sunlight, chlorophyll, water, and carbon dioxide gas.

How is energy transferred and transformed during the photosynthetic process?

During the process of photosynthesis, light penetrates the cell and passes into the chloroplast. The light energy is intercepted by chlorophyll molecules on the granal stacks. Some of the light energy is converted to chemical energy. During this process, a phosphate is added to a molecule to cause the formation of ATP.

Why are photosynthetic organisms green?

The process of photosynthesis produces oxygen, which is released by the plant into the air. Chlorophyll gives plants their green color because it does not absorb the green wavelengths of white light. That particular light wavelength is reflected from the plant, so it appears green.

Why is it that most of the photosynthetic process occurs in Mesophyll?

In plants, the process of photosynthesis takes place in the mesophyll of the leaves, inside the chloroplasts. Chloroplasts contain disc-shaped structures called thylakoids, which contain the pigment chlorophyll. Chlorophyll absorbs certain portions of the visible spectrum and captures energy from sunlight.

How does energy get transformed by plants?

In this case plants convert light energy (1) into chemical energy, (in molecular bonds), through a process known as photosynthesis. Most of this energy is stored in compounds called carbohydrates. The plants convert a tiny amount of the light they receive into food energy.

How is energy being transformed in a combustion engine automobile?

When gasoline burns in a car engine, some of the chemical energy in the gasoline is converted into heat. The heat is converted into mechanical energy. The mechanical energy moves the car. Burning fuel in an electric power plant produces heat.

What forms of energy are transformed during photosynthesis and cellular respiration?

Description. Photosynthesis is the process by which energy is converted to chemical energy in plant cells. In cellular respiration plants use the chemical energy stored during photosynthesis in basic life processes.

Why is photosynthesis important to autotrophs Why is it important for Heterotrophs?

Heterotrophs benefit from photosynthesis in a variety of ways. They depend on the process for oxygen, which is produced as a byproduct during photosynthesis. Moreover, photosynthesis sustains the autotrophs that heterotrophs depend on to survive.

Why is autotrophs important photosynthesis?

Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy.

Which of the following illustrate energy transformation that occurs during photosynthesis?

An example of an energy transformation that occurs in the natural world is the process of photosynthesis. In the Sun, chemical energy transforms into light and thermal energy. Plants transform the Sun’s light energy into chemical energy during the process of photosynthesis.

How do photosynthetic organisms benefit heterotrophs?

First, photosynthesis consumes carbon dioxide (a waste product of respiration) and produces oxygen (necessary for respiration). Heterotrophs therefore depend on photosynthesis as a source of oxygen. In addition, photosynthesis sustains the organisms that heterotrophs consume in order to stay alive.

How do autotrophs benefit from heterotrophs and how do heterotrophs benefit from autotrophs?

Autotrophs store chemical energy in carbohydrate food molecules they build themselves. Most autotrophs make their “food” through photosynthesis using the energy of the sun. Heterotrophs cannot make their own food, so they must eat or absorb it.

Does photosynthesis occur in heterotrophs or autotrophs?

In terms of obtaining food for energy, there are two types of organisms: autotrophs and heterotrophs. Autotrophs are organisms that make their own food. Most autotrophs use the energy in sunlight to make food in a process called photosynthesis.