Who was the scientist who first proposed that all single-celled organisms should be put into their own kingdom?

Anton van Leeuwenhoek

Charles Darwin

Carolus Linnaeus

Ernst Haeckel

One gamete is formed during: Crossing over Oogenesis Spermatogenesis Sexual reproduction

How do swamps different from marshes?

Where might a spring from?

Preserved fossils of whales and other organisms have been found in the southern part of Mississippi what could be a reason for this

The three functional classes of joints are:

Why do you think more blood goes to some organs and not others?

Which of the following would most likely employ a forester? A. a state governments B. lumber businesses C. national govemments D. all of the above

How do environmental scientists use technology to track polar bears?

A rock formed from liquid magma at temperatures above 1000 degrees Celsius and the. Cooked and hardened what type of rock is it

You sample a population of butterflies and find that 56% are heterozygous at a particular locus. What should be the frequency of the recessive allele in this population? A. 0.07 B. 0.08 C. 0.09 D. 0.70