Cannabis maybe. Hope this is for school lol
Answer:
A. A marine biologist measures the lengths of the dorsal fins of a number of tiger shark: In this case, the biologist needs to sample the sharks, make measurements and organize in tables the data obtained from the two variables measured in each of the analyzed individuals.
C.An ornithologist, a scientist who studies birds, draws a sketch showing the colors of a bird’s plumage.
in this case the ornithologist had to make observations of birds of different species and through schemes report and organize according to the species what color of plumage they have.
D.An ecologist uses a computer to make a graph of the measurements of the rings of a tree:
The graph is the way in which the scientist systematizes the data for the analysis of the tree rings. these trees had to be sampled
Explanation:
Converts to acetyl coenzyme to enter the citric.
The correct answer is active transport. Active transport entails movement of substances against a concentration gradient and requires use of energy in form of ATP and use of protein pumps. Active transport is used to enhance several activities in the body such as movement of nutrients from the small intestines to the blood stream, this ensures that all the nutrients have moved from the lumen,
Answer:
Salmon populations in the United States is declining due to the following factors:
1. Over-fishing and human activities have put a major influence on the population of salmon.
2. Due to industrialization, urban growth, unplanned farming, deforestation, and pollution would have imparted strains on the stocks of salmon. Apart from this chemical contamination from the industrial run-off and agricultural activities are also declining populations of salmon.
3. Genetically modified fish from hatcheries usually escape and interbreed with wild fish, thus, changing the genetic features of the populations.
4. Construction of hydropower dams is also a major cause of the salmon population declining.
