A community of biotic plus the set of abiotic factors that the community needs in order to stay alive is called what?

What are two gases that animals exchange with their surroundings

How would it be possible to cross a man that has Type B blood and a woman who has Type A blood, while their child has Type O blood?

Which is a product of the Krebs cycle? A. Pyruvate B. NAD c. Acetyl COA D. FADH2

What is true about red buoys under the inland rules?

how cloning effects genetic diversity and that happens? does the genetic diversity increase decrease?

Polymers are made of individual subunits called

in your own words, explain how a person may taste the bitterness of PTC by using the following vocabulary words in your explanation, trait, gene, genotype, phenotype, and alleles.

What air pollutant that is released due yo human activity? A) carbon dioxide B) nitrogen dioxide C) toxic dioxide D) all of these are air pollutants caused by humans

A group of eye disorders resulting from increased intraocular pressure is

Population i stars are found in what area of the milky way? a. spiral arms b. central bulge c. halo d. globular clusters