The colonists and their offspring randomly mate for generations. All ten of the original colonists had free earlobes, and two were heterozygous for that trait. The allele for free earlobes is dominant to the al
groups of animals with common origin who have distinguishing characteristics that they pass on to their offspring in a uniform manner. Crossbreed an animal with parents of different breeds Purebred animals whose sire and dam are of the same breed. Biological principles that demonstrate commonness Envir...
Similar attributes that different animals have that, while originating from a common ancestor, have adapted separately over time - such as a human arm and a bird wing. Got it Missed it Evolutionary fitness The assessment of an evolving trait in an individual that raises or lowers its ability ...
DinosaursareoneofthemostfamousreptilesinEarth'shistory,existingonEarthapproximately230millionto66millionyearsago.Therearevarioustypesofdinosaurs,withdifferentshapesandsizes,rangingfromtinyornithopoddinosaurstogiantsauropoddinosaurs.Theclassificationofdinosaursismainlybasedontheirskeletalcharacteristics,livinghabits,and...
(英) adj. 种类的,类属的(of or characteristic of a genus) (记) 来自genus(种类),注意不要和genetic(遗传的,起源的)相混 How well did you know this? 1 Not at all 2 3 4 5 Perfectly 282 Q provender A (英) n.(牛马吃的)草料,粮秣(dry food for domestic animals) (记) ...
A (英) adj. 海的(of the sea);海中的(inhabiting in the sea) (记) mar(海)+ine(海的) (同) 同根词:submarine(潜水艇); mariculture(水产养殖) (例) Lobsters and dolphins are kinds of marine animals. How well did you know this? 1 Not at all 2 3 4 5 Perfectly 92...
Animals that through selection and breeding have come to resemble one another and pass those traits uniformly to their offspring are defined as: A a hybrid B a breed C progeny D genetics B a breed The largest compartment of the ruminant stomach for a mature grazing cow is called the: A re...
hopefully one of their offspring handles the conditions better What was Hutton's (1795) theory of evolution? the world changes in a gradual manner as seen from current processes What was Lamark's (1809) theory of evolution? animals changed their appearance and drove their own evolution and ...
failure to produce offspring- failure to cycle, abnormalities in estrus cycle, failure to conceive, prenatal death, perinatal death early embryonic death ~40% of pregnancy loss occurs in the first 45 days (no cross talk between mom and baby, no signaling = fetal death)causes: cellular division...
group of animals in which the blastopore becomes an anus, and the mouth is formed from the second opening that develops three branches of deuterostomes 1, The echinoderms include the sea stars and sea urchins.2, The hemichordates include acorn worms and pterobranchs. Acorn worms burrow in ...