Embryonic development involves process of formation and development of an embryo. In humans, during the early stages, 10 weeks of embryonic development, all the major body organs are formed.
Answer:
an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
Explanation:
Answer:
Mutualism
Explanation:
When the two different population species interact in such a manner that it is beneficial to each other, then this form of interaction is called mutualism.
Answer:
oxygen
Explanation:
A limiting factor is any condition whose decrease, increase, absence or presence is able to limit/stop population growth. Examples of limiting factors include abiotic conditions (e.g., temperature, water, oxygen, CO2, etc) or biotic conditions (e.g., food, mate, etc). There are many aquatic species that require high levels of oxygen (e.g., fish), thus being it a limiting factor for these species.