Answer:
Conservation efforts have had a positive impact on ecosystems that have been previously harmed due to human activity. Conservation efforts have helped preserve and even restore habitats that had been damaged or threatened by human activity. They have also helped protect endangered species.
1). Under Classifying Life, click Launch Interactive. Scientists use a tool called a phylogenetic tree to show the evolutionary pathways and relationships between organisms. A phylogenetic tree is a diagram used to reflect evolutionary relationships among organisms or groups of organisms.
2). Sometimes referred to as DNA-DNA hybridization, this process hybridizes the genetic information from two different organisms to determine similarities between them. Scientists separate strands of DNA from both species using heat, which breaks the bonds between the base pairs that link the two sides of the double helix.
If a single <span>mutation turns off the growth of some pairs of legs within an organism a hox gene will most likely be affected. so the answe is (b)
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Having increased pressure or tone, in particular.
Science can answer only questions about the natural world.