The correct answer is letter c. traps heat.
The Earth's Atmosphere deals with the sunlight it absorbs in the day, absorbing it and spreading it, which heats up the planet, but at night, the sunlight absorbed weakens and the Earth cools up, but due to the greenhouse effect, it traps certain amounts of heat, which results to hotness of the weather. Greenhouse Effect doubles the heat, because it traps heat when heat tries to leave our atmosphere.
Well, an endoskeleton is an internal skeleton, like humans have.
Pro: Bones do not get broke as easily, since they are inside of the body. Bones that break also heal more quickly in an endoskeleton, since they have tissue and blood surrounding it and transferring nutrients.
Con: The flesh can get easily damaged. There is no shedding with endoskeletons, so a new skeleton cannot be grown in the event of an injury.
Answer:
C. Mammary glands
Explanation:
The mammals have multiple different morphological features that distinguish them from the other animal groups, some are unique to them, some are unique as a combination. The morphological feature that is unique for the mammals and is most recognizable for them are the mammary glands. The mammary glands are actually the reason why this group of animals has the name it has. All three types of mammals, placentals, marsupials, and monotremes have these glands through which they feed their young.
Annelids are one of the organisms that has a systematized circulatory system and is closed.
The circulatory system serves to provide and deliver nutrients and oxygen throughout the organisms cells and tissues. The heart serves as the pumping organ and the cornerstone of the circulatory system.