Biology Basics: Characteristics of Living Things and Biodiversity
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Questions and Answers

What are the seven characteristics of living things?

Reproduction, Movement, Sensitivity, Feeding, Growth, Respiration, and Excretion

What is the fundamental unit of all living things?

Cells

What is biodiversity, and what is its current state?

Biodiversity is the variety of living things in the world. It is currently decreasing at an alarming rate, with over half the planet's animal species already extinct.

What are some of the main reasons for the decline in biodiversity?

<p>Pollution, Climate Change, International trade, Habitat Destruction, and Intensive Agriculture</p> Signup and view all the answers

What is a species, and how do organisms within a species interact?

<p>A species is a group of organisms that can exchange genes and interbreed. Organisms within a species can exchange genes and produce fertile offspring.</p> Signup and view all the answers

How is the animal kingdom divided, and what are the characteristics of each category?

<p>The animal kingdom is divided into vertebrates and invertebrates. Vertebrates have a backbone, while invertebrates do not.</p> Signup and view all the answers

What is the primary characteristic of a parasite?

<p>An organism that lives in or on another one and its life depends on another one.</p> Signup and view all the answers

How do plants in the Plant Kingdom obtain their energy?

<p>Through photosynthesis.</p> Signup and view all the answers

What is the role of fungi in the ecosystem?

<p>They act as decomposers and help break down organic matter.</p> Signup and view all the answers

What is the main difference between phytoplankton and zooplankton?

<p>Phytoplankton produce their own energy through photosynthesis, while zooplankton eat phytoplankton or other zooplankton.</p> Signup and view all the answers

What is eutrophication, and what are its effects on the environment?

<p>Eutrophication is the over enrichment of nutrients, causing overgrowth and decay of plants, deoxygenation of water, and the death of its organisms.</p> Signup and view all the answers

What is the significance of phytoplankton in the ocean's ecosystem?

<p>They produce 80% of the oxygen we breathe and are the base of the ocean's food chain.</p> Signup and view all the answers

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