Answer:
upper limb and mammary gland
Explanation:
The lymph nodes of the axillary region or the axillary lymph nodes drain lymph vessels from the breast, from thin walls of the chest and the upper part of abdomen , and from the upper limb. They can be divided in groups according to their location.
These lymph nodes has a role in development of breast cancer and its metastasis.
Answer:
They have genes for the same traits
Explanation:
Answer:
The tropical regions are subjected to extreme changes of season. The polar regions were populated earliest in the history of Earth.
Answer:
The 2 ways abiotic factors affect biotic factors are as follows:
- An alligator submerges itself under water to stay cool in the summer.
- A naked mole rat creates burrows underground.
Explanation:
Abiotic Factors:
All non-living factors that is present or influences an ecosystem. Abiotic factors determine the dynamics of an ecosystem such as the terrain, the atmosphere as well as the inhabitant flora and fauna. Water, sunlight, oxygen, temperature, and soil are all abiotic factors.
Biotic Factors:
All living factors in an ecosystem i.e. the plants and animals.
Lets analyze all the options:
- A bird picking food out of an alligator's teeth is an interaction between 2 biotic factors, the bird and the alligator or in another case, the bird and the food.
- Water being oxygenated is an interaction between 2 abiotic factors: water and oxygen.
Answer: Step 1: Replication Fork Formation
Step 2: Primer Binding
Step 3: Elongation
Step 4: DNA Pol I exonuclease
Step 5: Termination
Explanation:
