Solve the Problem $3 \frac { 7 } { 9 } \text { hours }$

question 108

Multiple Choice

Solve the problem.
-Ken and Kara are 34 miles apart on a calm lake paddling toward each other. Ken paddles at 3 miles per hour, while Kara paddles at 6 miles per hour. How long will it take them to meet?

• A) \(3 \frac { 7 } { 9 } \text { hours }\)
• B)25 hours
• C) \(4 \frac { 1 } { 6 } \text { hours }\)
• D) \(11 \frac { 1 } { 3 } \text { hours }\)

Recognize the role of light in determining aquatic zones.

Understand the process and importance of decomposition in aquatic ecosystems.

Identify zones with a high population of primary producers.

Describe the ecological significance of headwater streams within terrestrial zones.

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Definitions:

Synapomorphy

A characteristic or trait that is shared by two or more taxonomic groups and is derived from their most recent common ancestor, indicating a phylogenetic relationship.

Molecular Phylogeny

The analysis of the molecular structure of DNA, RNA, or protein sequences to determine genetic relationships and evolutionary histories among different species.

Amino Acids

Organic compounds serving as the building blocks of proteins, crucial for life and involved in various metabolic processes.

Orthologs

Genes in different species that evolved from a common ancestral gene by speciation and retain the same function in the course of evolution.