
Human Animal Differences | Ask A Biologist
May 12, 2017 · There are many similarities between humans and other animals that you may have noticed. Humans and animals both eat, sleep, think, and communicate. We are also similar in a lot of …
All about Metamorphosis | Ask A Biologist
Apr 29, 2011 · Unlike human skin, chitin is not stretchy and insects must make new skeletons as they grow larger. To do this, they will grow and change as they go through different stages. This …
Cell Parts | Ask A Biologist
Sep 27, 2009 · Each organelle is a place where specific jobs are done. Plant and animal cells have many of the same organelles. But in some cases, the organelles in cells are different. For example, …
Understanding Fertilization | Ask A Biologist
Jul 16, 2019 · In most plant and animal cells, chromosomes are paired, with two of each type. Humans have 23 pairs of chromosomes, so 46 in total. Out of the twenty-three pairs, twenty-two pairs are …
The average adult human has between 60 and 90 trillion cells!
Types of Reproduction - Ask A Biologist
Jul 12, 2019 · For many organisms, reproduction is a huge part of life. But what, exactly, does reproduction mean? Well, it can mean so many different things, including breeding or not, caring for …
Tissue Culture and Tissue Engineering | Ask A Biologist
Aug 10, 2022 · Tissue culture is a method of growing cells from plants and animals in the laboratory. Here we will specifically look at animal tissue culture. This means growing cells from animals …
Comparative Animal Physiology | Ask A Biologist
Oct 1, 2018 · She is an animal physiologist, a science writer, and a children's book author. Pierce Hutton is a PhD candidate at Arizona State University, where he studies the effects of urban environments …
Classifying Living Things | Ask A Biologist
May 22, 2010 · A number of divisions make up the plant kingdom, and many phyla make up the animal kingdom. In addition, modern taxonomy recognizes three more kingdoms: fungi (molds, mushrooms, …
Bacteria Overview | Ask A Biologist
Jul 3, 2014 · Bacteria are small. According to experts at the Centers for Disease Control in Atlanta, Georgia, the average human being on Earth today is a little more than 5 feet 9 inches tall. The …