Biology Problem Solver - Get Instant Explanations

4. What modern method of study can trace the evolutionary relatedness of organisms by comparing the nucleotide sequences on DNA?A. PhylogenyB. Molecular clocksC. CladogramsD. ClassificationPLEASE HURRY!!
2 Answers
What do Hydrogen atoms do in a plant
1 Answer
Which process distinguishes producers from consumers?
1 Answer
Revolution and rotating examples
1 Answer
How did stars affect life on Earth in the past?
1 Answer
Please help Im taking it right now (Ill give brainless if correct)
1 Answer
When the Moon is full, all of it is showing. The opposite of a full moon is called a new moon, this is when A. none of the Moon is showing. B. a crescent of the Moon is showing. C. half of the Moon is showing.
2 Answers
How do they affect life on Earth today?
1 Answer
Mollusks display ______ symmetry.
2 Answers
Explain why having more red blood cells per cm3 of blood is an advantage to an athlete.
1 Answer
3. Design and describe an experiment using celery stalks to demonstrate how certain conditions will cause a loss or gain of turgor pressure. In order to follow the scientific method, your description should start with an observation and be followed by (i) a testable hypothesis, (ii) an outline of the experiment that will test the hypothesis, (iii) a description of the type of data that will be collected, and (iv) a possible conclusion that could likely be made after completing the experiment
2 Answers
Explain the effect of the different SA:Vol ratios on the rate of osmosis into the potato. WILL MARK BRAINLIEST ANSWER
2 Answers
besides urination , another important activity in which water is substantially lost from the body is a. salivation b. defaectionc. expirationd. inspiration
1 Answer
4 Select the correct answer. A family has a Y-linked disease that affects the father. What is the chance of a male offspring inh . 100% OB. 50% Oc. 25% OD. 0% Reset Next
2 Answers
11. A woman requires more calcium in her diet when she is pregnant.Which statement explains why?A bone growth in the fetusB muscle growth in the fetusC production of haemoglobin in the fetusD to provide energy for the fetus
2 Answers
Next > Pretest: Organization of Organisms Su Drag each tile to the correct location. Match the characteristics to the correct phylum. organisms lack symmetry adult forms are sessile organisms have specialized stinging cells two types of body plans exist-polyp and medusa organisms obtain food by filtering water phenomenon of alternation of generation is observed Cnidaria Porifera
1 Answer
Use the labels to draw and annotate a cell membrane. Build the cell membrane across the center of the page. Then, determine theregions of the membrane that are hydrophobic and hydrophilic.PLZ
2 Answers
which of the following food items would contain the most amount of carbohydrates, assuming an equal mass of each sample.A. applesB. green beansC. butterD. chicken wings
1 Answer
Often, one change in an ecosystem causes another change. Drag and drop the tiles to show the order in which this group of changes would happen.
1 Answer
What is the full name of the compound MgO?
2 Answers
30 extinct species name
1 Answer
Lipids are A. polar molecules.B. protein molecules.C. similar to water molecules.D. nonpolar molecules
1 Answer
The genetic code for one amino acid molecule consists of A) five sugar molecules B) two phosphates C) three nucleotides D) four hydrogen bonds
2 Answers
explain the term production in science
2 Answers