We’re not the only mammals who are partial to blackberries, far from it. Foxes and badgers will also gobble them up, helping to distribute the seeds, which survive the transit through the gut.
I found it possible to observe at least the superficial capillaries of muscles both in the frog and in mammals through a binocular microscope, using strong reflected light as a source of illumination. Resting muscles observed in this way are usually quite pale, and the microscope reveals only a few capillaries at fairly regular intervals.
The nutritive substances used in greatest quantities by mammals are carbohydrates.
For nearly 2 million years, our ancestors survived and thrived and spread across the planet because they could run other mammals into heat exhaustion.
We know virtually all of the genes known to mammals. We do not know all of the combinations.
In my own writing, I avoid 'female' and try to say 'woman' because I feel that the word 'female' has connotations of not just biology but also non-human mammals. The idea of 'female' to me is more appropriate for a female animal.
All mammals undergo a certain degree of diversification. Darwin knew that. When he drew a family tree, it had many branches on it.
The old age of lower mammals presents characters similar to those found in man.
Geologists are rapidly becoming convinced that the mammals spread from their central Asian point of origin largely because of great variations in climate.
There have only been about a half dozen genuinely important events in the four-billion-year saga of life on Earth: single-celled life, multicelled life, differentiation into plants and animals, movement of animals from water to land, and the advent of mammals and consciousness.
