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Questions in biology

[Homework Help] When a population's birth rate equals its death rate, there is ______ population growth. A. low B. zero C. high D. moderate

[Homework Help] Circle the correct answer. 1. The type of organism which eat meat only are called: herbivore carnivore producer omnivore 2. An example of decomposers is: wolf rabbit earthworms monkeys 3. The biotic components are: decomposers living things producer non-living things 4. In the food chain, plants are: decomposers carnivore producers omnivore 5. The animal found in freshwater ecosystem is: whale shark frog eel Fill in the blanks. Deserts are hot places, bare and rocky or covered with ____.

[Homework Help] How does a mutation in a sex cell differ from a mutation in a non-sex cell? A. Mutations in sex cells are silent mutations. B. Mutations in sex cells are chromosomal mutations. C. Mutations in sex cells are more deadly. D. Mutations in sex cells do not affect the organism.

[Homework Help] How does a small, nonpolar gas like oxygen get across a membrane? A) Active transport from a low to high concentration B) Diffusion from a high to low concentration C) Osmosis from a high to low concentration D) Membrane transport (facilitated diffusion) from a high to low concentration

[Homework Help] Which of these habitat zones might students explore on-site? - Arctic Tundra - Alpine Mountains - Tropical Rainforest - Deep Ocean

[Homework Help] Consider the table. Types of Bacteria \begin{tabular}{|l|l|l|} \hline Form & Shape & Associated disease \\ \hline Coccus & X & Strep throat \\ \hline Bacillus & Rod shaped & Y \\ \hline Spirillum & Spiral & Cholera \\ \hline \end{tabular} Which best describes $X$ and $Y$? A. $X=$ Spherical; $Y=E$. coli B. $X =$ Comma shaped; $Y =$ Whooping cough C. $X=$ Oval shaped; $Y=S$. aureus D. $X=$ Rod shaped; $Y=$ Pneumonia

[Homework Help] Which of the following terms refers to the stringy protein fiber that is a component of a blood clot? Select one: A. Serum B. Albumin C. Colloid D. Fibrin E. Globulin

[Homework Help] Which is the central element for all living things? A. carbon B. hydrogen C. oxygen D. nitrogen

[Homework Help] True or False: All primates are susceptible to predation by mammalian carnivores.

[Homework Help] This table lists examples of plants. \begin{tabular}{|l|l|l|} \hline \multicolumn{3}{|c|}{Plant Classifications} \\ \hline & Gymnosperms & Angiosperms \\ \hline A & Flowering plants, grains, and fruit trees & Conifers, cycads, and gingkos \\ \hline B & Grains, flowering plants, and gingkos & Fruit trees, conifers, and cycads \\ \hline C & Fruit trees, cycads, and grains & Conifers, gingkos, and flowering plants \\ \hline D & Conifers, cycads, and gingkos & Flowering plants, grains, and fruit trees \\ \hline \end{tabular} Which row ( $A , B , C$, or D ) in the table accurately categorizes the plants as gymnosperms and angiosperms?