How does one species become two different species? How can one species “turn into” another? In order for one population to diverge enough from another to become a new species, there needs to be something to keep the populations from mixing. Often a physical boundary divides the species into two (or more) populations and keeps […]

What are the three major differences between prokaryotic and eukaryotic cells? Eukaryotic cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. Differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA. What are two main differences between […]

What happened in the Japanese internment camps? Japanese American internment happened during World War II when the United States government forced about 110,000 Japanese Americans to leave their homes and live in internment camps. These were like prisons. Many of the people who were sent to internment camps had been born in the United States. […]

What is the name of the control center that directs the activities of the cell? nucleus What part of the cell directs cell activity? Nucleus Is the control center of the cell it directs the cell’s activities? control center of the cell that directs the cells activities. it contains the chemical instructions that directs all […]

How can pesticide use be harmful to human agriculture? How can pesticide use be harmful to human agriculture? The use of pesticides kills all soil microflora and microfauna. a. The loss of beneficial microfauna can reduce soil productivity. Which of the following is a component of healthy soil ecosystem? No longer just about fertility, attributes […]

What score on an IQ test qualifies for intellectual disability? While a specific full-scale IQ test score is no longer required for diagnosis, standardized testing is used as part of diagnosing the condition. A full scale IQ score of around 70 to 75 indicates a significant limitation in intellectual functioning. What is a low IQ […]

How can we reduce the impact of greenhouse gases? Ways to Reduce Greenhouse Gases Reduce, Reuse, Recycle. Buying products with minimal packaging will help to reduce waste. Use Less Heat and Air Conditioning. Replace Your Light Bulbs. Drive Less and Drive Smart. Buy Energy-Efficient Products. Use Less Hot Water. Use the “Off” Switch. Plant a […]

What happens during the proliferative phase of wound healing? The proliferative phase of wound healing is when the wound is rebuilt with new tissue made up of collagen and extracellular matrix. In the proliferative phase, the wound contracts as new tissues are built. What happens during each stage of wound healing? The cascade of healing […]

What are members of the domain eukarya? Members of the domain Eukarya—called eukaryotes—have membrane-bound organelles (including a nucleus containing genetic material) and are represented by five kingdoms: Plantae, Protista, Animalia, Chromista, and Fungi. What are the 3 types of domain? There are three domains of life, the Archaea, the Bacteria, and the Eucarya. Organisms from […]

Can we measure thermal energy? The best way to measure the thermal energy of an object is to use a thermometer. It measures the average kinetic energy (one type of thermal energy) of the molecules of a substance in degrees Fahrenheit (F) or Celsius (C). What are the three methods of thermal energy? Heat can […]