Invertebrates on land use __________ or __________ systems for gas exchange. Fill in the blank(s) with the appropriate word(s)


book lungs; tracheal

Biology & Microbiology

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What biome has the highest rate of primary productivity?

a. savanna b. tundra c. algal beds and reefs d. temperate grassland e. tropical rain forest

Biology & Microbiology

All of the following are examples of adaptations EXCEPT

A) flower coloration that attracts pollinators. B) larger teeth in beavers for gnawing wood. C) mice learning a maze to get food. D) different beak shapes for birds that eat seeds or insects. E) insects that resemble twigs.

Biology & Microbiology

Recently, microorganisms have been used to clean up oil spills in the oceans of the world. This is an example of

A) agricultural microbiology. B) food microbiology. C) bioremediation. D) epidemiology.

Biology & Microbiology

Organisms that possess more than two complete sets of chromosomes are said to be

A) haploid. B) polyploid. C) diploid. D) hybrids.

Biology & Microbiology