background extinction rate造句
例句與造句
- Extinctions have occurred at over 1000 times the background extinction rate since 1900.
- Background extinction rates are typically measured three different ways.
- The current background extinction rate is estimated to be one species every few years.
- One scientist estimates the current extinction rate may be 10, 000 times the background extinction rate.
- Based on the fossil record, the major mass extinctions have significantly exceeded the background extinction rate.
- It's difficult to find background extinction rate in a sentence. 用background extinction rate造句挺難的
- The global extinction rate may be approximately 1, 000 times higher than the natural background extinction rate.
- Extinctions are a normal part of the evolutionary process, and the background extinction rate is a measurement of " how often " they naturally occur.
- A DEFRA study from 2006 suggested that 100 species have become extinct in the UK during the 20th century, about 100 times the background extinction rate.
- Almost all scientists acknowledge that the rate of species loss is greater now than at any time in human history, with extinctions occurring at rates hundreds of times higher than background extinction rates.
- According to the research, current rates of extinction are three orders of magnitude higher than the background extinction rate, and future rates, which depend on many factors, are poised to increase.
- Calculations based on extinction rates suggest that the current extinction rate of amphibians could be 211 times greater than the background extinction rate and the estimate goes up to 25, 000 45, 000 times if endangered species are also included in the computation.
- With current extinction rates approximated to be 100 to 1, 000 times the background extinction rate, it is feared that a de-extinction program might lessen public concerns over the current mass extinction crisis, if it is believed that these species can simply be brought back to life.
- However, " The current amphibian extinction rate may range from 25, 039 to 45, 474 times the background extinction rate for amphibians . " Humans have dominated the planet and our high consumption of resources, along with the pollution generated is affecting the environments in which other species live.