Scientists believe green algae to be the ancestors of land plants. the classification division separating algae from the kingdom plantae began with fossil evidence. to be successful land plants require certain modifications. this early devonian land plant had both vasular tissue and, as seen here, a) roots. b) spores. c) seed pods. d) chlorophyll.

Identify the main component f natural gas

German cockroaches, bulging eyes, bu, are recessive to normal eyes, bu , and curved wings, cv, are recessive to straight wings, cv . both traits are encoded by autosomal genes that are linked. a cockroach has genotype bu bu cv cv, and the genes are in repulsion. which set of genes will be found in the most common gametes produced by this cockroach?

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase