The lymph modes is the small secondary lymphoid organs which cluster along lymphatic vessels.The lymph nodes are small bean shaped gland which are found throughout the body. They are part of lymphatic system which carries fluid (lymphatic fluids) ,nutrient and waste material between the body.
Answer:
1.B. Yes, water is able to pass across the membrane through the aquaporins
2.A. Neither NaCl nor water can move across the cell membranes.
Answer:
uniformitarianism, Fossil groups, 48 million years ago.
Explanation:
- Uniformitarianism is the doctrine of uniformity that assumes that same environmental laws and process operate till date that has also occurred on the past but not with the same uniformity. Unlike the atmospheric that is short-lived and sudden changes over the period of time.
- William Smith was a geologist who has noticed a certain type of fossil in a certain layer of sedimentary and igneous rock. A similar layer of strata could be found in the areas that were further apart.
- The Permian period was from 229 to 251 million years and was the last period of the paleozoic era and is recorded for the last major extinction in the history of life in earth and it lasted for 48 million years.
Light positioning include;
1. Extrinsic muscles.
2. Pupil.
3. Accommodation.
4. Cornea
5. Ciliar bodies.
Sensory processing include;
1.Photoreceptor.
2. Occipital cortex.
3. Bipolar cells.
4. Ganglion cells.
5. Amacrine cells.
