Was the amphibian the first organism on land? Which kinds of organisms use photosynthesis? Benthic organisms may be found where? The life forms of the biosphere are located in the Who was the first to observe microorganisms with a microscope?
What was the first organism on planet Earth? What were the first forms of life on Earth? a) fungi b) plants c) animals d) prokaryotes e) eukaryotes Which of the following is thought not to have been abundant in the environment of the early...
And this fifth kingdom was sort of anything that doesn’t fit in the first four kingdom, which upset some people. And then there was a question of viruses. Viruses have some characteristics of life but don’t reproduce on their own or use energy. So we still don’t know what to do...
selective role of the environment in shaping and maintaining the behavior of the individual is only beginning to be recognized and studied.⑨As the interaction between organism and environment has come to be understood, however, effects once assigned to states of mind, feelings, and traits are beg...
Proving this can involve some traditional detective work, as he explains:“First of all we can look at previous records, to find out if a tree was growing there at a set date. Then we look at paintings and artwork, to see if that tree was present. And old survey maps quite clearly ...
Theconceptofthe―gene‖hasevolvedandbecomemorecomplexsinceitwasfirstproposed.Therearevariousdefinitionsoftheterm,althoughcommoninitialdescriptionsincludetheabilitytodetermineaparticularcharacteristicofanorganismandtheheritabilityofthischaracteristic.Inparticular,thewordgenewasfirstusedbyWilhelmJohannsenin1909,basedontheconcept...
The organism A, B and C can obtain their food in three different ways. Organsim A derives its food from the body of another living organism which is called its, D without killing it. The organism B takes in the solid food by the process of ingestion, digests a part of this food and...
What does the word " ecology" mean? It was invented by Ernst Hacckel, a German biologist. He joined two Greek words: oikos, meaning "house", and logie,meaning "the study of". Together they mean "the study of the house". The "house" Haeckel had in mind is our planet, Earth. Earth...
This organic matter was constantly altered on its long journey towards our planet, its final composition the product of a singular history which scientists are now attempting to reconstruct.但是这些最终进入地球海洋的碳质物质经历了一系列的变化，特定的温度、特定的事件、特定的恒星、来自太阳的特定量的...
【题目】What is the oldest living organism(生物) on the How would the scientists know whether planet? For scientists, accurately proving the age of any the frees live a long time?long-lived species is a hard task. A. They would find a good detective.Under a 300-vear-old sweet chestnut...