Answer:
Explanation:
An organ is a group of different tissues that work together to do a particular job. Organs are grouped together into organ systems. Examples of organ systems include the circulatory system and the digestive system. The human body is made up of many cells, so it is an example of a multicellular organism.
Answer:
2
Explanation:
The bones in the forelimbs of penguins and seals are best described as analogous, while the flippers of penguins and seals are homologous.
Analogous structures are structures that are similar in different organisms, even though they are unrelated to each other. For instance, the wings of birds and the fins of a penguin or a fish.
Homologous structures are similar structures in related organisms. Both the penguins and the seals have flippers. Another example is the human arm and the wings of a bat. Both have similar structures internally, but while a human lifts items with their hands, the birds use theirs for flying.
Answer:
Answer is D.
Explanation:
Eukaryotic organisms are organisms that possess nucleus and membrane -bound organelles. They derived their name from the word eukaryote, which means true nucleus. They can be single-celled or multi-celled. Examples are fungi, some unicellular organisms, plants and animals.
Prokaryotic organisms are all other organisms that lack membrane -bound organelles and nucleus. Examples are viruses, bacteria and certain algae.
Answer:
A colony of ants is a species, C is only animals and only the biotic factors it is D living and nonliving things in a pond
Explanation:
