Answer:
organ systems
Explanation:
These include the chemical, cellular, tissue, organ, organ system, and the organism level. ... Therefore, molecules combine to form cells, cells combine to form tissues, tissues combine to form organs, organs combine to form organ systems, and organ systems combine to form organisms.
D. lactobacillus is the right answer
Answer:
Observation is essential in science. Scientists use observation to collect and record data, which enables them to construct and then test hypotheses and theories. Scientists observe in many ways – with their own senses or with tools such as microscopes, scanners or transmitters to extend their vision or hearing.
Explanation:
Answer:
Active transport.
Explanation:
To move substances or ions against a concentration or electrochemical gradient, the cell must utilize energy which is in the form of ATP during active transport.
Primary active transport, which is directly dependent on ATP, moves ions across a membrane and creates a difference in charge across that membrane.
Translocation has taken place, you can tell by the rearrangement of nonhomologous chromosomes.