How Do Pigeons Find Their Way Home

Pigeons Find Their Way Home

The ability of certain birds to fly great distances and arrive “home”, or at their destination, is one of the most remarkable things in nature. Do you know that carrier or homing,  pigeons were used to carry messages as long as  2,000 years ago by the ancient Romans And even now when modern armies have … Read more

What Are The Differences Between Photosynthesis And Cellular Respiration

Photosynthesis And Cellular Respiration

Photosynthesis is the process by which plants, algae, and some types of bacteria use the energy from light to produce their food. Cellular respiration is the process by which living organisms release energy stored in their molecular bonds through a variety of chemical reactions inside the cell. Photosynthesis and cellular respiration are both important in … Read more

What Are The Differences Between Phagocytosis And Endocytosis

Phagocytosis and endocytosis are two cellular processes that allow for the uptake of extracellular material. Though both processes work towards this goal, they do so in different ways. Phagocytosis is a process that occurs when an organism engulfs something external to its body such as food particles or bacteria through cell membrane protrusions called pseudopodia. … Read more

What Are The Similarities and Differences Between Passive and Active Transport

Passive and Active Transport

There are many similarities and differences between passive and active transport. Passive transport doesn’t require energy, while active transport does. Passive transport moves molecules across the cell membrane through diffusion and osmosis, while active transport uses energy to move molecules against a concentration gradient. Active transport is used to get things into and out of … Read more

What Are The Differences Between Paramecium Vs Euglena

Paramecium and Euglena

Euglena is a single-celled organism that is found in freshwater environments, and Paramecium is found in saltwater environments. In addition to their different locations, they have different features as well. Euglena has a nucleus, but no mitochondria or chloroplasts. Paramecium does not have a nucleus or chloroplasts either, but they have mitochondria that produce energy for … Read more

What Are The Differences Between Paleolithic And Neolithic

Paleolithic And Neolithic

While Paleolithic and Neolithic are both terms used to describe the Stone Age, there are some fundamental differences between these two eras. The Paleolithic era was the first period of stone tool use, beginning approximately 2.6 million years ago with early humans living in Africa and Asia. This transitioned into the later part of the … Read more