Biology recognizes the cell as the basic unit of life, genes as the basic unit of heredity, and evolution as the engine that propels the creation and extinction of species. Let us migrate into top 15 examination question and answer on biology for first year science student.
What are single-celled fungi called?
A single-celled organism in the fungi kingdom is called yeast. Yeast is a naturally occurring organism found both in nature and inside of our bodies.
What is the primary function of cellular respiration?
The primary function of cellular respiration is to liberate energy in the form of ATP; this is further required to carry out various cellular processes.
Describe two characteristics shared by ecosystems that have high biodiversity
Biodiversity is the number of different species in an area. In order to have high biodiversity, an ecosystem must have a high number of different species, and it must also have a high number of individuals of each species.
The carbon that plants need for photosynthesis comes from
The carbon that plants need for photosynthesis comes from carbon dioxide, or CO2 that’s present in our atmosphere.
The ultimate source of the energy in food is?
The ultimate source of the energy in food is the sun. The movement of energy from the sun through different organisms is what creates a food chain.
According to the theory of evolution, birds feathers evolved from what?
According to the theory of evolution, bird feathers evolved from reptile scales.
Where do bottlenose dolphins live?
There are three species of bottlenose dolphins. The common bottlenose dolphin is by far the most widespread, living in temperate and tropical parts of the ocean all around the world. While some swim closer to the coastlines into bays and other waterways, others stay farther offshore. They tend to live in groups called pods.
What kind of root system contains many thin branching roots?
The root system that contains many thin branching roots is the fibrous root system.
Are fungi producers?
Producers are those living organisms that produce their own food, like plants that make food through the process of photosynthesis. Fungi are not plants, though they do have some similar characteristics.
One of the three main functions of stems is to?
One of the three main functions of both woody and herbaceous stems is to transport water and nutrients from the roots up through the plant to the leaves.
What does biodegradable mean?
Biodegradable is a term that is given to an object that can be broken down by organisms into simple molecules that can be recycled for other organisms.
How long do mice live?
Mice live for about one to two years.
What is the primary pigment found in the chloroplast?
The primary pigment found in chloroplasts is chlorophyll.
The most rapid population growth rate in history resulted from
The most rapid population growth rate in history resulted from the Industrial Revolution (mid-16th to mid 17th century).
What is a single-celled organism called?
Single-celled organisms are called unicellular organisms.