David Attenborough
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Episode Guide
- 1. Challenges of Life Oct 12, 2009
- The diversity of animals and plants, and stories of survival in nature.
- 2. Reptiles and Amphibians Oct 19, 2009
- Reptiles and amphibians live on every continent except Antarctica.
- 3. Mammals Oct 26, 2009
- Millions of fruit bats migrate from the Congo to Zambia; a sengis escapes death; whale fight.
Apr 16, 2024 · Learn about life as a process, a phenomenon, and a diversity of forms on Earth and beyond. Explore the scientific disciplines and methods that reveal the common and unique features of living matter.
Life is a quality that distinguishes matter that has biological processes, such as signaling and self-sustaining processes, from matter that does not. It is defined descriptively by the capacity for homeostasis, organisation, metabolism, growth, adaptation, response to stimuli, and reproduction
Learn about the basic properties of life and the ongoing debates about the definition of life. Explore the traits of living organisms, such as organization, metabolism, homeostasis, growth, reproduction, response, and evolution.
- do we have dna same as our parents?It's not exactly the same, we take roughly 50% from each. Also the expression of those genes can vary and some may be changed by factors such as DN...
- why are viruses hard to cureBecause, most of the antibiotics, infect the bacteria through destroying their cell wall. Whereas Viruses insert their genetic material into a huma...
- What are examples of Unicellular organisms?There are five groups of unicellular organisms: bacteria, archaea, protozoa, unicellular algae, and unicellular fungi
- How does the ability to evolve define whether one living thing is alive? Evolution only occurs becau...The qualities of living things are synthesis, transport, excretion, regulation, nutrition, growth & development, respiration, and reproduction. I a...
- In the "Is this the definitive list?" section, if the offspring of a female horse and a male donkey ...Hinny is a stallion and a female donkey Jenny is female horse and a male donkey
- All living organisms have "organized" cells. What do you mean by "organized". It's described very br...By the term "organized", they meant the way the cells are "positioned" in the body of an organism. Similar to how bricks make up a wall, cells make...
- Does something have to be able to reproduce to be Alive? For example, a living creature becomes infe...No, reproduction is a defining, but not all-inclusive trait of living beings. That is, not all beings need to reproduce to be considered living, bu...
- If viruses are not considered alive organisms, how can they be so dangerous and reproduce them so fa...Viruses can hijack our cell's DNA to program it to make more copies of the virus. Though viruses themselves contain no DNA and are technically not...
- Do we know for sure that we are the only conscious organism?It is a matter of debate. No, we are not the only species which could think, dream or feel, https://www.nationalgeographic.com/news/2015/07/150714-...
Learn the various meanings and uses of the word life as a noun and an adjective, with synonyms, examples, and word history. Explore phrases containing life and related entries in the dictionary.
a corresponding state, existence, or principle of existence conceived of as belonging to the soul: eternal life. the general or universal condition of human existence: Too bad, but life is like that. any specified period of animate existence: a man in middle life.
- 2 min
May 15, 2007 · When the topic of the meaning of life comes up, people tend to pose one of three questions: “What are you talking about?”, “What is the meaning of life?”, and “Is life in fact meaningful?”.
Mar 3, 2018 · A philosophical and psychological exploration of the question of life's purpose, with arguments against relying on God or afterlife. The author suggests that we can create our own meaning of life by choosing our own purposes and values.
