Which of the following environmental conditions will have a negative effect on the limit a certain population of organisms is able to achieve in that habitat?

The image shows embryos of three vertebrate classes

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u. s. and mexico. the st. lawrence seaway provides an important trading route for the u. s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

Average annual precipitation and are the two major features that define the biomes on earth.