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Kroll is a great teacher, one of the best at Loyola. He is a very intelligent man, but although his tests are extremely hard, you can get by especially since his curve is massive. You will learn so much from this man and he was a great lecturer.

Dr. Kroll is a great teacher. He doesn't get enough credit. His tests are only hard if you don't study. He does say study from your notes, but the trick is to cover the info in the book based on his notes. That way you know what to concentrate on!

You need to study a lot for his tests, but his lectures are relatively interesting and he adjusts the grades at the end a little. I got an A, but I studied a lot.

Hes a pretty cool guy once you get to know him. His teaching style is really boring, powerpoints, oh how I have thee. His first test was pretty easy, a lot general facts though.

Let's just say he gives 2 exams that count 35 points a piece. He's a wonderful teacher but that's just ridiculous. Take his lab only if you're good at testing!

Took during summer. All right teacher. Feels like a breeze though class but practicals are harder than hard. Lab assignments are required and should be studied. Occasional quizzes but not too bad.

The kind of guy you'd want to hang out with OUTSIDE of class. He's cool, but he's really boring, and his midterm and final are really tough. If you get an A in the course, congrats.

Dr. Kroll rocks. He is one of my favorite profs. But yes, you little freshmen babies, you do need to READ! and go to class! I got A's in both semesters and both his labs. Work hard, and you will be rewarded.

Dr. Kroll's bio 111 lab has four quizzes and two tests. He drops the lowest quiz. End of semester curve was about 1 to 2 percent. NOTE: One point equals one percent of your grade! Hard tests. Quizzes are worth 3% each while tests worth 35% each.

okay, buddies Dr Kroll is ok. Nice guy, funny maybe. His lab was kinda of ok cuz i and my lab patners hardly did anything. Came to class just to have a good time. His exams are ok. His a nice guy overall, but i had fun in his labbbbbb.

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This Bio 112 class made me want to spit on my 111 class because this was so much better. Dr. Kroll's quizzes were on the basics and his exams were easy if you really read the chapters. You need to know a lot of slides, so use the website to ur advantage.

All bio lab tests are hard. Choosing the teacher is only for helpfulness, clarity, and curves on final grade. Dr. Kroll usually curves about 1 or 2 percent of final grade. Very nice and approachable.

I had Kroll for both sems of General Bio and am VERY surprised at these reviews. As with any science course, you HAVE to put in the study time. I thought he was hilarious and often came up with creative examples to explain difficult concepts...had class once a week and always looked forward to it.

I think Kroll is great. He explains everything very well, comes up with good examples. I plan on taking him for BIOL102 too.

Hard quizzes and exams...I have no idea how I passed (I'm pretty sure I only got 1 right on the final...big curve?)

Solid professor! Yes you had to read, study and attend lectures to acquire the knowledge, but isn't that why you go to school? If you think his jokes are lame, your maturity level has not changed since high school as he tells witty jokes. Creative and humorous teaching style.

I'm shocked by these reviews. I loved every minute of Kroll's class. He is really straightforward, and doesn't mess around- I personally like that in a teacher. He has a cool sense of humor and has some good stories if you catch him on the right day.

Terrific guy. Be prepared to study and read the book. He goes over basics in class but you still have to read the chapters. He's not that bad if you do the work. And on the plus side, he is really funny and makes the lecture (which i had for 2.5 on mondays) a very plesant experience. Good professor but be prepared to be challenged.

He knows how to teach . you'll leave the class with much gained knowledge ant Bio. He also curves

NOT HARD. I got an A- in the class with minimal studying and poor attendance. Tests are VERY straightforward (no trick questions). The reason many people did not succeed was because they did not utilize the book enough (this is all I used to study - never used his notes). I am planning on taking him next semester.

nice and funny professor. too much cologne. you have to go to 3 field trips early morning. they are extremely boring. work is fair. you have to memorize latin names for exam. good class.

I really enjoyed Dr. Kroll's bio lab. It's not an easy A, and youll sometimes get random questions but the class is really easy going and relaxed. Quizzes aren't bad as long as you read the lab book, tests are ok...you're not going to get by without studying, but again, not bad. He's pretty fair, helpful, approachable, and overall a nice guy.

His bio 111/112 labs are not for people who just want an easy A. It's a class you will need to know everything remotely relevant to what you're studying as his quizes and tests cover everything. He is a great teacher though and makes you know the material.

If you don't get an A in ecol lab, you should leave school. Easy class, good teacher, explains everything well.

Fun, engaging guy and a good teacher. He has some hilarious stories he uses to spice up the class. He moves quickly, be sure to read the book and you'll be fine keeping up. He gives extra credit for class participation by using the PRS clickers. He curves the final class grades, not each individual test.

Of course Dr. Kroll's class requires lots of work... any Gen Bio lab requires lots of work. Just listen to his lectures before the lab and you basically get all of the answers. Read the labs a few times before class and you should be fine on the quizzes. He's so much easier than other professors... and his A- is an 87, A is a 90!!

I had Kroll for 2.5 hours each Monday and he was pretty entertaining. Have to study hard because your whole grade is based on 3 exams, nothing else. Tests 99% from notes so you know exactly what to study. Some tricky questions on tests but overall good class and very doable

Dr. Kroll is an excellent teacher. He comes up with good examples and practically hands you the answers during pre-lab lecture. His tests are very straightforward.

Very good and nice prof. The tests are hard only if you dont study the material (notes and book). I enjoyed this class very much!

He's straight forward, laid-back, comprehendable, and best of all, FAIR. You get out what you put in, and he treats students with respect, and doesn't talk down to them. The course in general is going to be a little tough, because there's so much information. But he tells students exactly what to study. If e doesn't, just ask, and he'll tell ya.

Need to study the lab manual inside and out before each lab quiz and exam in order to do well, but he's good at explaining the subject. Don't expect to get out early, I thought an A was really tough to get, B is probably average. 3 non cumulative exams and 5(?) quizzes.

His tests are hard. There are only 3 tests including the final exam. There are extra points which you can get by answering questions right at the end of every class using clickers. I averaged a 79 on my exams,and still got an A-.

Not that hard. Read the book and go to class. the exams are fairly difficult but you can get an A on each one. multiple choice. no essay. Dont slack off but if you're a bio major you know that

If youre taking him for ecology, its been a while since he taught so he's still working the bugs out of his regiment..otherwise he's a cool guy, treats students as students treat him, and semi-funny. Arguably, people who don't like him don't agree with his classroom policies (no fooling around) and don't bother to work in the class.

I took three of his classes, got high B's and an A, and I'm not a 3.0+ GPA person. He is a great professor; I don't see why he has so many bad reviews. Lectures are rarely boring, and tests aren't hard as long as you read the book and attend lecture, which you should do for all classes. If chance permit, I would take another class with him again.

Easy A, I think his class has changed in the last year, I have heard many others in class saying they have A's as well. Teaches clear and get what you expect.

It's a little boring because it's ecology but if you do the work it's a really easy class. Dr. Kroll is very clear and I thought very easy

Most of his tests are straightforward, but his third test was terrible. Quizzes are very easy. I ended up with a B+ in the class and it was my first B in any biology class. He teaches too much math/equations for ecology. Very easy to get a B though. Gives 20 points for online discussions. Does not curve.

Use ecologyplace that the book comes with. Tests are easy and straight forward. The 3rd test is the hardest, but just know the equations really well and you'll be fine. The book will help with some details. Lectures are 80% of test material, ecology place is 15%, and random book stuff is 5%.

Tough professor, very little curve and not until the end. His tests are hard, and based a lot on the book. His lectures were very good though. He did a great job simplifying/explaining concepts. A good grade probably required being very familiar with the book AND having good notes. Witty guy, but doesn't come off as super approachable.

I found him quite humorous, but the material was sooooo boring. Not an easy class. An A is possible but good luck opening the book and not falling asleep when you start reading. Ecology=yawn

Eco lab is EASY. He's a good teacher with a very dry wit that seems to fly over everyone's heads. Field trips were fun, I'm surprised at all the whiners.

Great professor, he is passionate about the subject and knows how to teach. Test's are hard but an A is possible. This is college not high school, you have to do the work to get an A. Read the book! Quizzes are easy, if you study. I recommend this teacher!

I took Dr. Kroll last year, and I really liked the way he taught. He is a really good professor and I would take his class all over again if I could. TAKE HIM!!!

Despite all the negative reviews of Dr. Kroll. I had no bad experiences with this guy. Getting an A in his class is absolutely possible. My guess is that a lot of these negative comments come from biology minors who haven't taken too many hard biol classes so they find it challenging. If you've taken orgo. you do do ecol.

I would take Dr. Kroll again! Grade based on 3 exams (no final) and Mastering Bio homework. If you just read through the suggested book readings twice exams all based on that. At the end, he curved our class 6 points! Plus you get about about a 3 point boost from Mastering Bio, so really you only need about a 80% test average for the A. Recommend!

To some he might seem dull, but he had some funny stories and his lectures were very clear and outlined. I liked him a lot. Tests were a little difficult as I recall, and he's horrible with technology. But overall a cool guy.

Read thoroughly and do the questions in the textbook. My advice, his questions look harder than they are and you shouldn't get hung up on the wording. Once you get over that, his tests aren't that hard and you can easily swing a B. Lectures are kind of interesting, he does drone a bit though.

Kroll is tough, but he does curve. Errs on the difficult side so he can bring up grades. Animal behavior was a fun class and Kroll is entertaining and passionate. Also has a pretty fun country music band. We took some easy quizzes, never got less than a 910 on them. Exams are difficult but it is a 300 level class. Would take again.

Really great lectures! Compared to other biology professors, he explains concepts clearly. I really learned a lot from him and he's a wonderful professor, but his exams are really tough. The questions are really in depth and not straight forward. Most of them are application problems. Grades are basically based off 3 exams and a couple quizzes

Dr. Kroll is a cool guy. His class is as easy or as hard as you make it. That means that you MUST go to class and MUST do the readings. He tests on everything he says he will and nothing more or less, in fact, he lists what he will test on you in the syllabus. He takes the donkey to the river, it's up to the donkey to drink it.

Kroll is a good guy, but for loving the topic he teachers as much as he does, I would have expected his class to be more interesting. His exams are not something you can wing, they are tough, and he does not curve. You have to work just to pass let alone get a good grade.

Dr. Kroll can be a bit unorganized at times, but overall he is a friendly and funny guy. A good amount of the material on the tests was not really covered in lecture, so it can be hard to pinpoint what to study. Take him if you are good at studying and good at biology. Quizzes and mastering are super easy. Great story teller!

Dr. Kroll is an interesting lecturer and is very clear about what information will be on exams. He is genuinely interested in the subject matter and in his students. He added extra assignments throughout the course but the assignments were simple and aided in the understanding the application of the topics. Beware of corny jokes.

I love Dr. Kroll! Yeah his tests are hard, but he curved everyone's exam by 10 points! He goes into great depth and gives good advice on what you need to know for the exams. If you bomb exams, you have the mastering assignments and quizzes to help you. He may go off topic a bit, but he always has corny dad jokes to share and I love it. Take him!

Listen this is how you succeed in this class. Buy the text book, read if throughly (and I mean know it, memorize it). Print out the lecture slides and write down notes DURING (go to class) lecture (sometimes lecture material isnt in book). Memorize both sets of notes and go to his office hours. Hes very nice, but its a hard class. Doable? Yes.

Memorize everything you read and everything he says because even then you probably won't do great, this is a tough one. The material is very interesting though and Dr. Kroll is a good professor his tests are just really hard.

Professor Kroll's class isn't easy, but he does that on purpose to really push you. I will admit, that if you want an easier professor, don't take him. Make sure you put a lot of effort into this class to pass. There are 3 exams that he will curve at the end, but they contain very specific questions that require a lot of studying.

He doesnt give you a fish. He teaches you how to catch them. If youre willing to work hard to learn lessons for life, like for a medical careers, hes the man to take. Lectures can sometimes be, fuzzy but like read the text book or watch a video. His lessons are hilarious, ties it in with lab, and gives amazing real life examples of the info.

Hilarious. He's so funny. Explains concepts very thoroughly, which, even though his exams are difficult, is the reason I took him again. So friendly and passionate about biology. Take him !!!

I took ecology online, so my opinion might be different than an in-person class, but Dr. Kroll was pretty good at teaching the material. His tests require you to study a good amount, but they're not that hard if you study. He simply expects you to know the material. Quizzes, HW, and forum posts are free points; no curve but drops your lowest quiz.

Dr. Kroll is super passionate about Bio and he does not make his class easy. I did not do well on my first exam and he really made me feel like I could succeed giving me advice on a personal zoom call (how many profs would do that!) . If you want an easy class don't take him, but if you want to really learn he's the best you'll get.

It makes me sad do see so many negative reviews of this man's class. He tried genuinely hard to make the class interesting and funny, although the class was entirely asynchronous. It's not an easy A class and you do have to put in the work. I did notes on the ppt and then wrote study guide and did fine.

Do not expect an easy A. With that being said, BIOL 320 / ANTH 320 was fascinating. It was an honor to take the class during Dr. Kroll's last semester teaching. If he comes out of retirement to teach part time (like he says he probably will), take his class! He has taught at Loyola for over 40 years, and it is clear that he loves teaching.

Professor Kroll is one of the best teachers I've had at Loyola and Animal behavior was such an amazing class. The lectures and content were interesting and you can tell he loves the subject and he loves connecting with students and helping where he can. I'm sad to see him retire but I'm so glad I got to take him!