I believe the correct answer among the choices listed above is option A. Parasitism is the kind of interaction that is shown here. Parasitism is a kind of relationship where one feed off the other. Fleas here are referred to as the parasite and the dog is the host.
Answer:
Active transport
Explanation:
The molecules are moving from a low concentration to a high concentration across a cell membrane via a protein. ATP is used in this reaction.
We know it cannot be diffusion, facilitated diffusion, passive transport, or osmosis, because these are all passive processes. In the picture, the molecules are moving against their concentration gradient and uses energy.
It cannot be endocytosis or exocytosis, as there are no vesicles.
Active transport is the movement of molecules from a low concentration to a high concentration across a cell membrane against their concentration gradient. ATP is used to supply the energy for this process.
Answer:
Cell
Explanation:
Cells are the structural and functional unit of life. Irrespective of species, all the organisms are made of one or more cells. Unicellular organisms such as bacteria have a single cell in their body while the body of multicellular organisms has many cells. A cell is able to perform vital life processes such as reproduction, nutrition, metabolism, excretion, growth, and sensitivity to surroundings.
These life processes are not performed by non-living things. Cells have organelles and macromolecules such as DNA, proteins, etc. However, these organelles and molecules do not exhibit vital life processes unless they are present in the cells. Therefore, cells are the smallest unit of life.
Answer: homeostasis
Explanation:homeostasis is maintained at many levels not just the level of the whole body as it is for temperature
Answer:
The proper answer is D.
Explanation:
When fertilization occurs, the corpus luteum continuously secrets female hormones and allows implantation. However, if the egg is not fertilized, the corpus luteum starts to degenerate, and the secretion of female hormones stops.
