Based on the dichotomous key, what type of tree did this leaf come from? Horse chestnut
Ginkgo
Honey Locust
Black maple

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

flooding wildfire landslides climate change the factors listed have an immediate effect on the animal populations found in any habitat. the four factors would lead to a death. b emigration. eliminate c immigration. d mutations.

i guess because there isn't enough love going around. < 3

the answer to the blank provided is “an autosomal gene that is required for the expression of genes on the x chromosome”.

testis-determining factor, abbreviated as td, which is more popularly known as sex-determining region y or sry protein, is a dna-binding protein or  gene-regulatory protein/transcription factor, encoded by the  sry gene. it is the gene responsible for the initiation of male gender determination in humans.