Hello the correct answer would be D When a molecule of double-stranded DNA undergoes replication, it results i a two double-stranded DNA molecules, each composed of one and one old strand. trust me I had this last semester and finished with an A-
Answer:
C
Explanation:
When two species share a common niche, then one is bound to exclude the other. This is due to the stiff competition for resources. The species with a slight advantage in acquiring the resources will edge out the other species from the environment. This has been demonstrated by George Gauss using two Paramecium species grown in the same media in the lab. <em> P. aurelia</em> outcompetes <em>P. caudatum</em>
Answer
Two structures located in the diencephalon are hypothalamus and epithalamus
Explanation
The diencephalon of the human brain has four main structures which are the hypothalamus, the thalamus, the epithalamus and the subthalamus. Thalamus structure is at the center of the brain which relays sensory impulses to the cerebral cortex. The hypothalamus regulates the temperature of the body while the epithalamus maintains the circadian rhythms.
What is internal and external stimulus? What is an example of each?
Answer:
A internal is situated or existing in the interior of something Example:No country should interfere in another country's internal<span>
affairsAnswer:
A external stimulus </span><span>
is a detectable change in the internal or </span>
external environment. Example: When a person sees a burger when hungry they s<span>
tomach starts to growl</span>
Comparing DNA
Darwin could compare only the anatomy and embryos of living things. Today, scientists can compare their DNA. Similar DNA sequences are the strongest evidence for evolution from a common ancestor. Look at the diagram in Figure 9.3