Blog

Segmentation first evolved in the

Plants are ________ because they can produce their own food through photosynthesis.

Biologists currently recognize ________ different kingdoms.

________ surrounds the seed(s) in flowering plants, aiding in dispersal

The ________ ________ concept determines if a group of organisms makes up a separate species based on whether or not it can interbreed with other such groups.

The branch of biologythat deals with the identification and naming of organisms is

If you were asked to group lobsters with other organisms, you would place them with other

Birds with average-size wings survived a severe storm more successfully than other birds in the same population with longer or shorter wings. If severe storms occur regularly, then over time, one should expect these storms to bring about _____.

What is the most probable explanation for the continued presence of pseudogenes in a genome such as our own?

A population of 15 birds inhabits a fairly new island. Ten of the birds are dark brown and five of them are light brown. By chance, two of the dark brown birds and three of the light brown birds die before producing any offspring. All of the birds in the next generation are dark brown. This change in phenotypic frequency can be attributed to _____.