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Questions in biology

[Done] The phylum with endoderm, mesoderm, and ectoderm is: A. Cnidaria B. Porifera C. Platyhelminthes D. All of the above

[Done] Albino giraffes have white hair. There are very few albino giraffes in the wild. Why are there few albino giraffes in the wild?

[Done] What does an ecopsychologist study?

[Done] Omnivores and carnivores of the boreal forest:

[Done] All of the following could be considered evidence of evolution EXCEPT: A. The structural homology between the forearms of bats and humans. B. The DNA sequence of the cytochrome-c gene for bats and birds. C. The dorsal nerve cord of crayfish and birds. D. Fossils of dinosaurs. E. A wasp embedded in amber.

[Done] how does sunlight provide the energy the girl needs to swing the bat??

[Done] How do reptiles breathe?

[Done] Additions or deletions of bases in the nucleotide sequence of a structural gene most often result in: (A) an altered sequence of amino acids in the protein that the gene encodes (B) insertion of a new intron into the coding sequence of the gene (C) decreased histone binding (D) decreased excision repair (E) increased levels of mRNA production

[Done] A homozygous dominant brown mouse is crossed with a heterozygous mouse. Tan is the recessive color.

[Done] Which is an example of asexual reproduction in plants? 1. Fusing gametes 2. Budding 3. Producing seeds