Answer:
rudimentary eyes
Explanation:
Rudimentary eyes are eyes covered by skin that do not respond to visual stimulation.
Answer:
The three main similarities between prokaryotic and eukaryotic cells are as follows-
- Both the type of cells undergoes the process of respiration
- They both require energy to carry out the various processes
- They are both comprised of distinct cell membrane.
The three main differences between prokaryotic and eukaryotic cells are as follows-
- Prokaryotic cells are comprised of circular DNA, whereas eukaryotic cells are made up of linear DNA.
- Prokaryotic cells does not contain any nucleus, whereas eukaryotic cells are comprised of a well-distinct nucleus.
- Prokaryotic cells does not contain chromosomes, whereas eukaryotic cells are comprised of chromosomes.
Answer:
<em>The United States population consumes too large a portion of the world's resources due to relatively affluent lifestyles.</em>
Explanation:
The United States is known to be the most powerful country in the world and due to being such powerful, the lifestyle here is versatile and more affluent. As the country is rich, people tend to use resources beyond their needs. More resources are wasted in this country as the country has an adequate supply of almost everything. Hence, it is rightly argued that there is a serious consumption problem in the United States.
Correct answer: B). Food and fossil fuels
The energy can not be created nor destroyed but it can be transformed into another form. The ultimate source of energy on this planet is the sun, the sun provides sunlight where sunlight is converted into chemical energy, which is used by plants to prepare food. Then we consume food prepared by plants to get energy and perform various types of work like movement, reproduction, growth etc. In this, the chemical energy is converted into mechanical energy.
