Deciduous trees, such as maple and elm trees, regularly drop their leaves in a response to a change in the environment. What event causes deciduous trees to do this?
A.
long-term changes in climate
B.
seasonal changes in the amount of daylight
C.
monthly changes in amount of precipitation
D.
daily changes in air pressure

Match the types of competition to their descriptions

What abo controlling alleles could kim give her child

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.